Twenty types of beef hot dogs were tested for calories and sodium content (mg). the hot dogs average 156.85 calories with a standard deviation of 22.64, and the sodium level average 401.15 mg with a standard deviation of 102.43 mg. the correlation given as r = 0.887. the equation of the lsrl predicting sodium level from number of calories is:________

Answers

Answer 1
Final answer:

The equation of the least squares regression line (LSRL) predicting sodium level from the number of calories in beef hot dogs is Sodium Level (mg) = 37.77 mg + 4.077 mg/calories × Calories.

Explanation:

The equation of the least squares regression line (LSRL) predicting sodium level from the number of calories in beef hot dogs can be determined using the given statistics and the formula for the slope (b) of the LSRL:

b = r (sy/sx)

Where r is the correlation coefficient, sy is the standard deviation of the y-values (sodium levels), and sx is the standard deviation of the x-values (calories).

Given that r = 0.887, sy = 102.43 mg, and sx = 22.64 calories, we can calculate the slope (b):

b = 0.887 (102.43 mg / 22.64 calories) = 4.077 mg/calories

Then, we can use the y-intercept (a) in the equation y = a + bx, where a = y-bar - b*x-bar.

Given that the average sodium level y-bar = 401.15 mg and the average number of calories x-bar = 156.85 calories, the y-intercept (a) will be:

a = 401.15 mg - (4.077 mg/calories * 156.85 calories) = 37.77 mg

Therefore, the equation of the LSRL is:

Sodium Level (mg) = 37.77 mg + 4.077 mg/calories × Calories


Related Questions

34​% of working mothers do not have enough money to cover their health insurance deductibles. You randomly select six working mothers and ask them whether they have enough money to cover their health insurance deductibles. The random variable represents the number of working mothers who do not have enough money to cover their health insurance deductibles. Complete parts​ (a) through​ (c) below.

Answers

The sub-questions for this question are:

a) construct a binomial distribution using n=6 and p=0.34

b) graph the binomial distribution using a histogram and describe it's shape

c) what values of the random variable would you consider unusual? Explain your reasoning.

Answer:

a)

P(X=0) =0.0827

P(X=1) = 0.255

P(X=2) = 0.329

P(X=3) = 0.226

P(X=4) = 0.087

P(X=5) = 0.018

P(X=6) = 0.0015

b) graph D

c) x=5 and x=6

Step-by-step explanation:

a)

Formula for binomial distribution:

nCx(p^x)(q^(n-x))

Number of sample, n = 6

probability of success, p = 0.34

probability of failure, q = 1-p = 0.66

P(X=0) = 6C0(0.34^0)(0.66^6)

= 1*1*0.0827 = 0.0827

P(X=1) = 6C1(0.34^1)(0.66^5)

= 6*0.34*0.1252 = 0.255

P(X=2) = 6C2(0.34^2)(0.66^4)

= 15*0.1156*0.1897 = 0.329

P(X=3) = 6C3(0.34^3)(0.66^3)

= 20*0.0113 = 0.226

P(X=4) = 6C4(0.34^4)(0.66^2)

= 15*0.0058 = 0.087

P(X=5) = 6C5(0.34^5)(0.66^1)

= 6*0.003 = 0.018

P(X=6) = 6C6(0.34^6)(0.66^0)

= 1*0.0015 = 0.0015

b) the shape of the graph is the graph shape. Referring to the attachment, the correct graph is D

c) the unusual values would be x=6 and x=5, because those values are too small and lower than 0.05

Solve the exponential equation. Express the solution in terms of natural logarithms. Then use a calculator to obtain a decimal approximation for the solution.e^x = 22.8

Answers

Answer: x = ln 22.8; 3.13

Step-by-step explanation:

Given the exponential equation

e^x = 22.8

We apply ln to both sides since only natural logarithm can cancel out exponents.

lne^x = ln 22.8

x = ln 22.8

x = 3.13

The binary value of the ASCII letter "c" is 0110 0011. Using the handy chart that we learned in the lesson, convert this number to its decimal value. You'll need to use some math for this question.

Answers

Answer:

The decimal value is 99.

Step-by-step explanation:

We want to convert 01100011 to decimal.

We start counting the digit from the rightmost digit using zero-index system:

0 = 7

1 = 6

1 = 5

0 = 4

0 = 3

0 = 2

1 = 1

1 = 0

We multiply each digit by 2 having the index as power:

[tex]= (0 * 2^{7} ) + (1 * 2^{6} ) + (1 * 2^{5} ) + (0 * 2^{4} ) + (0 * 2^{3} ) + (0 * 2^{2} ) + (1 * 2^{1} ) + (1 * 2^{0} )\\= (0 * 128) + (1 * 64) + (1 * 32) + (0 * 16) + (0 * 8) + (0 * 4) (1 * 2) + (1 * 1)\\= 0 + 64 + 32 + 0 + 0 + 0 + 2 + 1\\= 99[/tex]

Therefore, the decimal value of "c" is 99.

The decimal value of the given binary value 0110 0011 is 99.

Given information:

The binary value of the ASCII letter "c" is 0110 0011.

It is required to convert the given binary value into a decimal number.

So, to convert a binary code to a decimal code, it is required to multiply the binary numbers with indices of 2.

The code can be converted to decimal number as,

[tex]d=2^0\times 1+2^1\times1+2^2\times0+2^3\times0+2^4\times0+2^5\times1+2^6\times1+2^7\times0\\d=1+2+0+0+0+32+64+0\\d=99[/tex]

Therefore, the decimal value of the given binary value 0110 0011 is 99.

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Melanie bought 4 large gifts and 2 small gifts. Mary bought 1 large gift and 20 small gifts. Each small gift costs $10. They both spent the same amount of money. What's the price of one large gift?

Answers

Answer:the price of one large gift is $60

Step-by-step explanation:

Let x represent the cost of one large gift.

Melanie bought 4 large gifts and 2 small gifts. Since each small gift costs $10, it means that the total amount that Melanie spent is

4x + 2×10 = 4x + 20

Mary bought 1 large gift and 20 small gifts. It means that the total amount that Mary spent is

x + 20×10 = x + 200

They both spent the same amount of money. This means that

4x + 20 = x + 200

4x - x = 200 - 20

3x = 180

x = 60

Final answer:

To find the price of one large gift, we compare the total amount spent by Melanie and Mary. By setting up an equation and solving for the price of one large gift, we find that it is $60.

Explanation:

To find the price of one large gift, we need to calculate the total amount spent on gifts by both Melanie and Mary and divide it by the total number of large gifts they bought. Melanie bought 4 large gifts and 2 small gifts, while Mary bought 1 large gift and 20 small gifts. Let's assume the price of one large gift is x.

The total amount spent by Melanie can be calculated as (4x + 2*10), since each small gift costs $10. The total amount spent by Mary can be calculated as (x + 20*10). Since both of them spent the same amount of money, we can set up the equation: 4x + 2*10 = x + 20*10.

Simplifying the equation, we get 4x + 20 = x + 200. Subtracting x from both sides, we get 3x + 20 = 200. Subtracting 20 from both sides, we get 3x = 180. Dividing both sides by 3, we find that x = 60. Therefore, the price of one large gift is $60.

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will give brainliest for the CORRECT answer and 80 points please answer quickly
the weights (in ounces) of 14 different apples are shown below.
4.3 6.1 4.5 5.2 6.8 4.3 6.1 5.6 4.7 5.2 4.3 5.6 6.0 4.0
the measure of center is found to be 4.3 oz. which measure of center is used?
a:midrange
b:mean
c;median
d:mode

Answers

Answer: Median

Step-by-step explanation:

I will say mode because 4.3 repeats the most

Diego said that the answer to the question "how many groups of 5/6?" are in one is 6/5 or 1 1/5. Do you agree with the same explain your explain or show your reasoning

Answers

Answer: I agree with 6/5 and with 1 1/5

Step-by-step explanation: okay, to find the value of the amount of 5/6 in 1, we simply just divide 1 by 5/6

Taking a similar problem with different numbers. Let's the the amount of 2s in 10, we do 10/2 which equals 5, so we have 5 2s in 10, you get? 2,4,6,8,10

So dividing 1 by 5/6

I / (5/6)

Change since to multiplication

1 * 6/5

= 6/5

Changing this to a mixed fraction, we get 1 whole number, 1 over 5 = 1 1/5

Answer:Answer: I agree with 6/5 and with 1 1/5

Step-by-step explanation:

Step-by-step explanation: okay, to find the value of the amount of 5/6 in 1, we simply just divide 1 by 5/6

Taking a similar problem with different numbers. Let's the the amount of 2s in 10, we do 10/2 which equals 5, so we have 5 2s in 10, you get? 2,4,6,8,10

So dividing 1 by 5/6

I / (5/6)

Change since to multiplication

1 * 6/5

= 6/5

Changing this to a mixed fraction, we get 1 whole number, 1 over 5 = 1 1/5

(copied from another user) so credit to her

For each recipe, write a ratio that compares the number of parts of lemonade to the total number of parts.

Answers

Answer: Samantha's Recipe:

Ratio of lemonade = 2 1/2 : 6

Caden's Recipe:

Ratio of lemonade = 15 : 32

Step-by-step explanation:

Samantha's Recipe

3 1/2 parts cranapple juice

2 1/2 parts lemonade

Caden's Recipe

4 1/4 parts cranapple juice

3 3/4 parts lemonade

For each recipe, write a ratio that compares the number of parts of lemonade to the total number of parts.

Solution:

For Samantha's Recipe:

Total number of parts = cranapple juice parts + lemonade parts = 3.5 + 2.5 = 6.0

Ratio of lemonade to total number of parts = (2.5)/(6.0) = 2 1/2 : 6

For Caden's Recipe:

Total number of parts = cranapple juice parts + lemonade parts =(17/4)+(15/4) = (32/4) = 8

Therefore, Ratio of lemonade to total number of parts = (15/4) / (8) =(15)/(32) = 15:32

The graph of which function passes through (0,3) and has an amplitude of 3? f (x) = sine (x) + 3 f (x) = cosine (x) + 3 f (x) = 3 sine (x) f (x) = 3 cosine (x)

Answers

Answer:

[tex]f(x)=3*cosine(x)[/tex]

Step-by-step explanation:

We are looking for a trigonometric function which contains the point (0, 3), and has an amplitude of 3.

We know that for a sine function [tex]f(x)=sin(x)[/tex], [tex]f(0)= 0[/tex]; therefore the function we a looking for cannot be a sine function because it is zero at [tex]x=0[/tex].

However, the cosine function [tex]f(x)=cos(x)[/tex] gives non-zero value at [tex]x=0:[/tex]

[tex]f(0)=cos(0)=1[/tex]

therefore, a cosine function can be our function.

Now, cosine function with amplitude [tex]a[/tex] has the form

[tex]f(x)=a*cos(x)[/tex]

this is because the cosine function is maximum at [tex]x= 0[/tex] and therefore, has the property that

[tex]f(0)=a*cos(0)= a[/tex]

in other words it contains the point [tex](0, a)[/tex].

The function we are looking for contains the point [tex](0, 3)[/tex]; therefore, its amplitude must be 3, or

[tex]f(x)=3cos(x)[/tex]

we see that this function satisfies our conditions: [tex]f(x)[/tex] has amplitude of 3, and it passes through the point (0, 3) because [tex]f(0)=3[/tex]

Answer:

D

Step-by-step explanation:

edge

Sarah sent half of the Christmas cards to her friends,and Richard sent three eights of them to his friends. If there are 32 cards in all and Sarah and Richard want to send an even number of cards to their families. How many cards would Sarah's family get.

Answers

Answer:

Sarah family will get 2 cards

Step-by-step explanation:

The total number of cards is 32

Sarah sent half of the Christmas cards to her friends,= 1/2 *32= 16 cards for Sarah's friends

Richard sent three eights of them to his friends.

3/8 *32=12 cards for Richards friends

Total = 12+16= 28

Card left= 32-28=4

Since Sarah and Richard want to send an even number of cards to their families. Then Sarah's family and Richard's family will receive 2 apiece.

Final answer:

Sarah's family would receive 2 cards after accounting for the cards Sarah and Richard sent to their friends from the total of 32 cards.

Explanation:

To solve how many Christmas cards Sarah's family will get, first calculate how many cards Sarah and Richard sent to their friends. Sarah sent half of 32, which is 16 cards. Richard sent three eights of 32, which can be calculated as (3/8) * 32 = 12 cards. Together, they sent 28 cards to their friends. Since there are 32 cards in total, the remaining cards for their families would be 32 - 28 = 4 cards. If these 4 cards are to be distributed evenly, both families would get 2 cards each. Thus, Sarah's family would get 2 cards.

The combined area of the photo and mat needs to be 224 square inches. The equation that represents the combined area is (2w+8)(2w+10)=224, where w represents the width of the mat around the photo.

Answers

Hopfully one of them is what you wanted

The required width of the mat around the photo is given as 3 inches.

Given that,
The combined area of the photo and mat needs to be 224 square inches. The equation that represents the combined area is (2w+8)(2w+10)=224, where w represents the width of the mat around the photo.

What is surface area?

The surface area of any shape is the area of the shape that is faced or the Surface area is the amount of area covering the exterior of a 3D shape.

here,
(2w + 8)(2w + 10) = 224
4w² + 16w + 20w + 80 = 224
4w² + 36w - 144 = 0
w² + 9w - 36 = 0
[w -3][w + 12] = 0
w = 3 and w = -12
Since the measure of width cannot be negative so -12 can be neglected.
w = 3 preferred,

Thus, the required width of the mat around the photo is given as 3 inches.

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5. Reggie picked 3 3/4 quarts of blueberries and 4 1/4 quarts of raspberries at a fruit farm. How many total quarts of berries did he pick? Show your work or explain your reasoning.

Answers

Answer:

Reggie picked total 8 quarts of berries.

Step-by-step explanation:

Given:

Amount of Blueberries picked by Reggie = [tex]3\frac{3}{4} [/tex] quarts

[tex]3\frac{3}{4}[/tex] can be Rewritten as  [tex]\frac{15}{4}[/tex]

Amount of Blueberries picked by Reggie = [tex]\frac{15}{4}[/tex] quarts

Amount of Raspberries picked by Reggie = [tex]4\frac{1}{4} [/tex] quarts

[tex]4\frac{1}{4}[/tex] can be Rewritten as  [tex]\frac{17}{4}[/tex]

Amount of Raspberries picked by Reggie = [tex]\frac{17}{4}[/tex] quarts

We need to find Total quarts of berries he picked from fruit farm.

So we can say Total quarts of berries he picked from fruit farm is equal to sum of Amount of Blueberries and Amount of Raspberries.

Framing in equation form we get;

Total Quarts of Berries = [tex]\frac{15}{4}+\frac{17}{4} = \frac{15+17}{4}=\frac{32}{4} = 8\ quarts[/tex]

Hence Reggie picked Total 8 quarts of berries.

Select one of the factors of x3y2 + 8xy2 + 5x2 + 40.
a) (xy2 + 5)
b) (x2 + 4)
c) (xy2 − 5)
d) (x2 − 8)

Answers

Answer:

Option a - [tex]xy^2+5[/tex]

Step-by-step explanation:

Given : Polynomial [tex]x^3y^2+8xy^2+5x^2+40[/tex]

To find : Select one of the factors of polynomial ?

Solution :

The polynomial  [tex]x^3y^2+8xy^2+5x^2+40[/tex]

We factor of above polynomial by taking common terms,

[tex]xy^2(x^2+8)+5(x^2+8)[/tex]

[tex](xy^2+5)(x^2+8)[/tex]

From the given options,

[tex]xy^2+5[/tex] is one of the factors of polynomial.

Therefore, option a is correct.

How many numbers in the set {3, 13, 23, 33, . . .} can be written as the difference of two primes?

Answers

Answer:

  1

Step-by-step explanation:

An odd number will be the difference of an even and an odd number. The only even prime is 2, so the other prime must end in 5. There is only one such.

Only 3 = 5 -2 can be written as the difference of primes.

Answer:

1

Step-by-step explanation:

Notice that when we subtract two integers, the difference can only be odd if one integer is even and one integer is odd (even - even = even and odd - odd = even). If one integer is even, then that integer is divisible by 2 and thus not prime. The only exception is 2, the only even prime number. So one of the primes must be 2. If we add 2 to each number in the set to find the other prime, we end up with $\{5, 15, 25, 35, \ldots\}$. All of the numbers in the set are divisible by 5, which means the only prime number in the set is 5. So the only number in the set $\{3,13,23,33, \ldots\}$ that can be written as the difference of two primes is $5-2=3$. The answer is $\boxed{1}$ number.

Yes I copied and pasted the proper answer from a different site. I didn't want to write it out.

Prove that if the real-valued function f is strictly increasing, then f is oneto-one.

Answers

Answer:

See proof below

Step-by-step explanation:

Let x,y be arbitrary real numbers. We want to prove that if x≠y then f(x)≠f(y) (this is the definition of 1-1).

If x≠y, we can assume, without loss of generality that x<y using the trichotomy law of real numbers (without loss of generality means that the argument in this proof is the same if we assume y<x).

Because f is strictly increasing, x<y implies that f(x)<f(y). Therefore f(x)≠f(y) because of the trichotomy law, and hence f is one-to-one.

Find the APY corresponding to the following nominal rate. 7​% compounded semiannually.

Answers

Answer:

7.23%.

Step-by-step explanation:

We are asked to find APY (Annual Percentage Yield) to the nominal rate of 7% compounded semiannually.

We will use annual percentage yield formula to solve our given problem.

[tex]APY=(1+\frac{r}{n})^n-1[/tex], where,

r = Annual interest rate in decimal form,

n = Number of times interest is compounded per year.

Let us convert 7% into decimal form.

[tex]7\%=\frac{7}{100}=0.07[/tex]

Semiannually means two times per year.

[tex]APY=(1+\frac{0.07}{2})^{2}-1[/tex]

[tex]APY=(1+0.00583333)^{12}-1[/tex]

[tex]APY=(1.00583333)^{12}-1[/tex]

[tex]APY=1.0722900804298071-1[/tex]

[tex]APY=0.0722900804298071[/tex]

[tex]APY\approx 0.0723[/tex]

Let us convert 0.0723 into percentage by multiplying with 100.

[tex]0.0723\times 100=7.23\%[/tex]

Therefore, annual percentage yield would be 7.23%.

The APY for a 7% nominal rate compounded quarterly is approximately 7.19%.

To find the APY (Annual Percentage Yield) for a nominal rate of 7% compounded quarterly, we use the following formula:

APY = (1 + r/n)ⁿ - 1

where r is the nominal interest rate and n is the number of compounding periods per year.

Convert the nominal rate from a percentage to a decimal: 7% = 0.07.

Identify the number of compounding periods per year: quarterly means n = 4.

Plug the values into the formula:

APY = (1 + 0.07/4)⁴ - 1

Calculate inside the parenthesis first: 0.07/4 = 0.0175.

Add 1: 1 + 0.0175 = 1.0175.

Raise to the fourth power: (1.0175)⁴ ≈ 1.071889

Subtract 1: 1.071889 - 1 ≈ 0.071889

Convert the decimal back to a percentage to get the APY: 0.071889 × 100 ≈ 7.19%.

Therefore, the APY corresponding to a 7% nominal interest rate compounded quarterly is approximately 7.19%.

Complete Question :

Find the APY corresponding to the following nominal rate 7% compounded quarterly The APY is %. (Type an integer or a decimal. Round to the nearest hundredth as needed. Do not round until the final answer)

The output of a process is stable and normally distributed. If the process mean equals 23.5, the percentage of output expected to be less than or equal to the mean: a. is 50%. b. is greater than 75%. c. cannot be determined without knowing the standard deviation value. d. is less than 25%

Answers

Answer:

Option a) 50% of output expected to be less than or equal to the mean.

Step-by-step explanation:

We are given the following in the question:

The output of a process is stable and normally distributed.

Mean = 23.5

We have to find the percentage of output expected to be less than or equal to the mean.

Mean of a normal distribution.

The mean of normal distribution divides the data into exactly two equal parts.50% of data lies to the right of the mean.50% of data lies to the right of the mean

Thus, by property of normal distribution 50% of output expected to be less than or equal to the mean.

Please help me with this problem​

Answers

Answer:

domain: [0, 7]range: [-2, 4]is a function? YES

Step-by-step explanation:

The domain is the horizontal extent, which is from x=0 to x=7.

The range is the vertical extent, which is from y=-2 to y=4.

The curve passes the vertical line test, so the relation IS A FUNCTION.

_____

The vertical line test asks whether any vertical line intersects the curve at more than one point. If so, the relation is NOT a function.

F n is a natural number then√n is (a) always a natural number (b)always an irrational number (c)always a rational number(d) sometimes a natural number and sometimes an irrational number

Answers

Answer:

  (d)  sometimes a natural number and sometimes an irrational number

Step-by-step explanation:

Consider the natural numbers 3 and 4:

√4 = 2, a natural number

√3 ≈ 1.73205080756887729352744634150..., an irrational number

Suppose the time that it takes a certain large bank to approve a home loan is Normally distributed, with mean (in days) μ μ and standard deviation σ = 1 σ=1 . The bank advertises that it approves loans in 5 days, on average, but measurements on a random sample of 500 loan applications to this bank gave a mean approval time of ¯ x = 5.3 x¯=5.3 days. Is this evidence that the mean time to approval is actually longer than advertised? To answer this, test the hypotheses H 0 : μ = 5 H0:μ=5 , H α : μ > 5 Hα:μ>5 at significance level α = 0.01 α=0.01 .

Answers

Answer with explanation:

Test hypothesis :

[tex]H_0 : \mu =5\\\\ H_a: \mu >5[/tex]

Since alternative hypothesis is right-tailed and population standard deviation is known σ = 1 , so we perform a right-tailed  z-test.

Test statistic : [tex]z=\dfrac{\overline{x}-\mu}{\dfrac{\sigma}{\sqrt{n}}}[/tex]

, where [tex]\overline{x}[/tex] = sample mean

[tex]\mu[/tex] = population mean

[tex]\sigma[/tex] =population standard deviation

n= Sample size

Substitute values, we get

[tex]z=\dfrac{ 5.3-5}{\dfrac{1}{\sqrt{500}}}[/tex]

[tex]z=\dfrac{ 0.3}{0.04472135955}\approx6.7[/tex]

Critical value for 0.01 significance level in z-table is 2.326.

Decision : Test statistic (6.7)> Critical value ( 2.326), it means we reject that null hypothesis.

i.e. [tex]H_a[/tex] is accepted.

We conclude that there is sufficient evidence that the mean time to approval is actually longer than advertised.

The Long family spent $38.62 for school supplies and $215.78 for new school clothes. They paid sales tax on their purchases. If the Long family paid $269.07 total, determine if they paid the correct amount.

A. The Long family paid $2.63 too little for their purchases.

B. The Long family paid the correct amount for their purchases.

C. The Long family paid $1.61 too much for their purchases.

D. The Long family paid $2.63 too much for their purchases.

Answers

Answer:

A. The Long family paid $2.63 too little for their purchases.

Step-by-step explanation:

We have been given that the Long family spent $38.62 for school supplies and $215.78 for new school clothes. They paid 6.8% sales tax on their purchases.

First of all, we will add both amounts as:

[tex]\$38.62+$215.78=\$254.40[/tex]

Now, we will find 6.8% of 254.40.

[tex]\text{Amount of tax paid}=\$254.40\times \frac{6.8}{100}[/tex]

[tex]\text{Amount of tax paid}=\$254.40\times0.068[/tex]

[tex]\text{Amount of tax paid}=\$17.2992[/tex]

Upon adding $254.40 and $17.2992, we will get total amount paid by Long family.

[tex]\text{Total amount paid by Long family}=\$254.40+\$17.2992[/tex]

[tex]\text{Total amount paid by Long family}=\$271.6992[/tex]

Now, we will subtract $271.6992 from $269.07:

[tex]\$269.07-\$271.6992[/tex]

[tex]-\$2.6292\approx -\$2.63[/tex]

Since the long family paid $2.63 less than actual amount, therefore, the Long family paid $2.63 too little for their purchases and option A is the correct choice.

Answer:

A

Step-by-step explanation:

A set of 15 different integers has a median of 25 and a range of 25. What is the greatest possible integer that could be in this set?A. 32
B. 37
C. 40
D. 43
E. 50

Answers

Answer:

Option D.

Step-by-step explanation:

It is given that a set of 15 different integers has a median of 25 and a range of 25.

Total number of integers is 15 which is an odd number.

[tex](\frac{n+1}{2}) th=(\frac{15+1}{2}) th=8th[/tex]

8th integers is median. It means 8th integers is 25.

7 different integers before 25 are 18, 19, 20, 21, 22, 23, 24.

It means the greatest possible minimum value is 18.

Range = Maximum - Minimum

25 = Maximum - 18

Add 18 on both sides.

25 +18 = Maximum

43 = Maximum

The greatest possible integer in the set is 43.

Therefore, the correct option is D.

Answer:

D. 43

Step-by-step explanation:

We have been given that a set of 15 different integers has a median of 25 and a range of 25.

Since each data point is different, so we can represent our data points as:

[tex]N_1,N_2,N_3,N_4,N_5,N_6,N_7,N_8, N_9,N_{10},N_{11},N_{12},N_{13},N_{14}, N_{15}[/tex]

Since there are 15 data points, this means that median will be 8th data point.

We have been given that median is 25, so [tex]n_8=25[/tex].

Since each data point is different, so 7 data points less than 25 would be:

18, 19, 20, 21, 22, 23, 24.

We know that range is the difference between upper value and lower value.

[tex]\text{Range}=\text{Upper value}-\text{Lower value}[/tex]

[tex]\text{Range}+\text{Lower value}=\text{Upper value}[/tex]

Upon substituting our given values, we will get:

[tex]25+18=\text{Upper value}[/tex]

[tex]43=\text{Upper value}[/tex]

Therefore, the greatest possible integer in this set could be 43 and option D is the correct choice.

John is planning to go to graduate school in a program that will take three years. John wants to have available $10,000 available each year for his school and living expenses.
If he earns 6% on his investments, how much must be deposited at the start of his studies for him to withdraw $10,000 a year for three years?

a) $10,000
b) $29,100
c) $30,000
d) $18,390

Answers

Answer:

d) $18,390

Step-by-step explanation:

Let X be the amount of money he deposited on the first year of his study.

The question says that he earns 6% on his investment without specifying the investment return time. However, normally it's annually, so let's assume his earning is 6% per annum.

Given that he did not make any withdrawal until the end of the first year, in 2nd year, he'll get the earning of his investment minus 10,000 to pay for his first year study

2nd year Y = X(1.06 ) - 10000

The same goes with 3rd year

3rd year Z = Y(1.06) - 10000

In worst case scenario, let's assume all of the money is used up at the end of third year

Z = 0

Y(1.06) - 10000 = 0

Substitute the first year into the equation:

Y(1.06) - 10000 = 0

(X(1.06)-10000)1.06 -10000 = 0

(1.06^2)X -1.06(10000) - 10000 = 0

X = (10000+10600)/1.06^2 = 18333.92

So the minimum deposit he needs to make to survive for the whole 3 years is $18333.92.

From the answer selection, the nearest value is d) $18,390

Can the positive integer p be expressed as the product of two integers, each of which is greater than 1?

Answers

Answer:

  maybe

Step-by-step explanation:

If p is prime, then answer is NO. If p is not prime, the answer is YES.

__

Some positive integers are prime; some are not. We need to know more about p before we can give a better answer than this.

Cara grew 4inches in second grade and 3 inches in third grade. If Cara was 44 inches tall at the start of second grade, how tall is she at the end of third grade?

Answers

Answer:

Height of Cara at the end of the Third grade is 51 inches.

Step-by-step explanation:

Given:

Height of Cara at the start of second grade = 44 inches

In second grade she grew = 3 inches.

Hence height of Cara at the end of the second grade will be equal to sum of Height of Cara at the start of second grade and height she grew in second grade.

Framing the equation we get;

height of Cara at the end of the second grade = 44 + 4 = 48 inches

Also Given:

Height she grew in third grade = 3 inches

We need to find Height of Cara at end of third grade.

Hence height of Cara at the end of the Third grade will be equal to sum of Height of Cara at the end of second grade and height she grew in third grade.

Framing in equation form we get;

Height of Cara at the end of the Third grade = 48 + 3 = 51 inches

Hence Height of Cara at the end of the Third grade is 51 inches.

Answer:

51 inches

Step-by-step explanation:

44 + 4 + 3= 51

Susie, Meg, and Jane drive together to visit their grandma. Audit drive for 65 miles,and Meg drives 2 times as far as Susie. Then Jane drives twice as far as Susie and Meg combined. How far did Jane drive

Answers

Answer:

Jane has drive 390 miles to visit Grandma.

Step-by-step explanation:

Given:

Number of miles Susie drive = 65 miles

Meg drives 2 times as far as Susie.

It means Number of miles Meg drive is equal to twice the number of miles driven my Susie.

Framing equation we get;

Number of miles Meg drive = 2 × Number of miles Susie drive = [tex]65 \times 2=130\ miles[/tex]

Also Given:

Jane drives twice as far as Susie and Meg combined.

Number of Miles Driven by Jane is equal to twice the sum of Number of miles Susie drive and Number of miles Meg drive.

Framing equation we get;

Number of miles Meg drive = 2 × (Number of miles Susie drive + Number of miles Meg drive) = [tex]2\times (65+130) = 2\times 195 = 390\ miles[/tex]

Hence Jane has drive 390 miles to visit Grandma.

HELPPP ME PLEASE I'LL GIVE YOU 60 POINTS IF YOU HELP ME AND IF IT'S THE RIGHT ANSWER

Answers

Good evening

Answer:

f(-3) = -4

Step-by-step explanation:

just using the calculator replace x by -3

f(-3) = 4(-4-(-3)) = 4(-4+3) = 4×(-1) = -4.

:)

Answer:

-4

Step-by-step explanation:

How you start the equation is by plugging  -3 into both of the x's in the problem to make it:

f(-3) =  4(-4 - (-3))

f(-3) = 4(-4 + 3)

f(-3) = 4(-1)

f(-3) = -4

The answer would be written as:

f(-3) = -4

I hope this helps!

what is the difference between dependent variable independent variable vs response variable explanatory variable?

Answers

Answer:

Step-by-step explanation:

we are to distinguish between

dependent variable independent variable

vs

response variable explanatory variable

An independent variable is one which is not affected by any other variable for example, the amount we spend, the time we study ,etc.  

An explanatory variable is a type of independent variable but not fully independent but depends on some factors.

Though explanatory and independent variables are practically used interchangeably the main difference is explanatory variable is not independent but explains the variations in the response varaible.

In experimental research, the independent variable is manipulated to observe its effect on the dependent variable, which is subsequently measured. Control variables are kept constant to ensure valid results. The dependent variable depends on the independent variable, such as the growth of plants depending on the amount of fertilizer applied.

In the context of experimental research, an independent variable, also known as an explanatory variable, is the one that is changed or controlled by the experimenter to examine its effect on another variable. On the other hand, a dependent variable, also referred to as a response variable, is what is measured or observed in the experiment to determine the effect of the independent variable.

For instance, if a study is conducted to see how the amount of fertilizer affects the growth of plants, the amount of fertilizer would be the independent variable because it is what the experimenter varies during the study. The growth of the plants, typically measured in height or biomass, would be the dependent variable because it is the result that is measured in response to the manipulation of the independent variable.

The control variables are equally crucial as they answer the question "What do I keep the same?" They need to be maintained consistently to ensure that the results are due only to the manipulation of the independent variable and not to other extraneous factors.

The authors of a study analyzing the effect of marital status on support for a football team would manipulate the marital status (independent variable) to measure the change in support or opposition for the team (dependent variable).

6(-3v+1)=5(-2v-2)(if there is no solution,type in ''no solution'')v= Answer

Answers

Answer:

  v = 2

Step-by-step explanation:

Eliminate parentheses by using the distributive property.

  -18v +6 = -10v -10

  6 = 8v -10 . . . . . . . . . add 18v

  16 = 8v . . . . . . . . . . .  add 10

  2 = v . . . . . . . . . . . . . divide by the coefficient of v

The answer is v = 2.

Answer:

v = 2

Step-by-step explanation:

6 (-3v + 1) = 5 (-2v - 2)

- 18v + 6 = - 10v - 10

- 18v + 10v = - 10 - 6

- 8v = - 16

- v = - 16/8

- v = - 2

v = 2

p = \left ( 1 - \frac{1}{2} \right )\left ( 1 - \frac{1}{3} \right )\left ( 1 - \frac{1}{4} \right )...\left ( 1 - \frac{1}{50} \right ) P is the product, indicated above, of all the numbers of the form 1 – \frac{1}{k}, where k is an integer from 2 to 50, inclusive. What is the value of P

Answers

Answer:

The value of p would be [tex]\frac{1}{50}[/tex]

Step-by-step explanation:

Given,

[tex]p = \left ( 1 - \frac{1}{2} \right )\left ( 1 - \frac{1}{3} \right )\left ( 1 - \frac{1}{4} \right )...\left ( 1 - \frac{1}{50} \right )[/tex]

[tex]p = \left ( 1 - \frac{1}{2} \right )\left ( 1 - \frac{1}{3} \right )\left ( 1 - \frac{1}{4} \right )...\left ( 1 - \frac{1}{49} \right )\left ( 1 - \frac{1}{50} \right )[/tex]

[tex]p=\frac{2-1}{2}.\frac{3-1}{3}.\frac{4-1}{4}......\frac{49-1}{49}.\frac{50-1}{50}[/tex]

[tex]p=\frac{1}{2}.\frac{2}{3}.\frac{3}{4}......\frac{48}{49}.\frac{49}{50}[/tex]

[tex]p=\frac{1.2.3.4.........48.49}{2.3.4........49.50}[/tex]

[tex]p=\frac{1}{50}[/tex]

Hence, the value of p is 1/50.

P is the product, indicated above, of all the numbers of the form , where k is an integer from 2 to 50, inclusive. Value of P is 2) 1/50.

To find the value of [tex]\( P \)[/tex], we can simply multiply all the terms together:

[tex]\[ P = \left(1 - \frac{1}{2}\right)\left(1 - \frac{1}{3}\right)\left(1 - \frac{1}{4}\right) \ldots \left(1 - \frac{1}{50}\right) \][/tex]

We start with [tex]\( k = 50 \)[/tex]. and go up to [tex]\( k = 50 \)[/tex]. Let's calculate it:

[tex]\[ P = \left(1 - \frac{1}{2}\right)\left(1 - \frac{1}{3}\right)\left(1 - \frac{1}{4}\right) \ldots \left(1 - \frac{1}{50}\right) \][/tex]

[tex]\[ P = \left(\frac{1}{2}\right)\left(\frac{2}{3}\right)\left(\frac{3}{4}\right) \ldots \left(\frac{49}{50}\right) \][/tex]

[tex]\[ P = \frac{1}{50} \][/tex]

So, the value of [tex]\( P \) is \( \frac{1}{50} \).[/tex]

[tex]p = \left ( 1 - \frac{1}{2} \right )\left ( 1 - \frac{1}{3} \right )\left ( 1 - \frac{1}{4} \right )...\left ( 1 - \frac{1}{50} \right[/tex]) P is the product, indicated above, of all the numbers of the form [tex]1 – \frac{1}{k}[/tex], where k is an integer from 2 to 50, inclusive. the value of P is  [tex]\( P \) is \( \frac{1}{50} \).[/tex]

Question:-

[tex]p = \left ( 1 - \frac{1}{2} \right )\left ( 1 - \frac{1}{3} \right )\left ( 1 - \frac{1}{4} \right )...\left ( 1 - \frac{1}{50} \right )[/tex]

P is the product, indicated above, of all the numbers of the form [tex]1 – \frac{1}{k}[/tex], where k is an integer from 2 to 50, inclusive. What is the value of P ?

1.) [tex]\frac{1}{100}[/tex]

2.) [tex]\frac{1}{50}[/tex]

3.) [tex]\frac{1}{49}[/tex]

4.) [tex]\frac{49}{50}[/tex]

5.)[tex]\frac{99}{100}[/tex]

A set of five distinct positive integers has a mean of $1000$ and a median of $100$. What is the largest possible integer that could be included in the set?

Answers

Answer:

e = 4796

Step-by-step explanation:

given,

mean of five distinct positive number = 1000

median of the number = 100

100 is median means two number will be less than 100 and two number will be greater than 100.

let five number be

a , b, c, d, e

'e' should be the largest number

As 100 is median so 'c' = 100.

'a' and 'b' should be as small as possible and d should be the number nearest to 100.

As all the number are distinct so the least number be equal to 1 and 2

now d will be equal to 101 (nearest to 100)

now,

sum of the five number = 5 x 1000 = 5000

a + b + c + d + e = 5000

1 + 2 + 100 + 101 + e = 5000

e = 5000 - 204

e = 4796

hence, the largest number will be equal to e = 4796

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