Gustavo tested 1000 calculators to see if any were defective. The company claimed that the probability of a defective calculator was 1% per 1000 calculators. Gustavo found 15 defective calculators out of 1000.

What was the predicted frequency?

Predicted Frequency . . .

=(# of trials)(theoretical probability)
=(1000)(0.01)

The predicted frequency was ____
A: 1
B: 10
C: 100
D: 1000

What was the relative frequency?

Relative Frequency = Observed Frequency/Total Number of Trails

The relative frequency was _____
A: 0.15%
B: 1%
C: 1.5% 
D: 15% 

Answers

Answer 1
We are to find the predicted and relative frequency of the defective calculators.

a) The company claimed that there is 1% probability of defective calculators out of 1000.
So predicted frequency = 1% of 1000 
= 0.01 x 1000
= 10

b) 15 defective calculators were found in 1000 calculators.
Relative Frequency = Observed Frequency / Total Number
= 15/1000 x 100%
= 1.5%
Answer 2

ITS 10

Then 1.5% thank this


Related Questions

When multiplying 2 fractions is the product greater than the factors?

Answers

No I do not believe so... When multiplying 2 fractions the product is not greater than the factors.

Four consecutive integer numbers add to 2. What are the numbers?

Answers

The numbers would be -1, 0, 1, 2.
Hope this helps

Four consecutive integer numbers add to 2. What are the numbers?

Let the smallest integer=x

The three consecutive integers will be x+1,x+2, x+3

Sum of four consecutive integers=2

So, x+x+1+x+2+x+3=2

Adding like terms, we get

4x+6=2

Subtract 6 from both sides

4x+6-6=2-6

4x+0=-4

4x=-4

To solve for x, let us divide by 4 on both sides

4/4x=-4/4

x=-1

So, the four consecutive integers are =x=-1

x+1=-1+1=0

x+2=-1+2=1

x+3=-1+3=2

So, the four consecutive integers are:= -1,0,1,2

Three consecutive integers whose sum is 138

Answers

45 + 46 + 47 = 138

Hope this helps!

X → first integer

X + 1 → second integer

X + 3 → third integer

X + X + 1 + X + 2 = 138

3x + 3 = 138

      -3     -3

3x = 135

÷3    ÷3

X = 45

X + 1 = 46

X + 2 = 47

Rank the nine career characteristics in order of their importance to you with the first being the most important

Answers

1. President
2. Farmers
3. Army Forces/ Police
4. Doctors 
5. Education Administrators
6.Engineers
7. Lawyers
8.Construction Workers
9. Shopkeepers and other workers


That took a lot of thought, and I doubt I may have covered the most important careers of our society. I hope this helps and I'm extremely sorry if I left out a career and I hope nobody gets offended in any way.

Answer:

dont listen to the other dude

Step-by-step explanation:

Nina has 2 cups of flour. However, this is only 1/4 of the amount of flour she needs for a bread recipe. How many cups of flour does the recipe call for?

Answers

She needs 8 cups of flour for her recipe.

Nina has 2 cups of flour.

However, 2 cups of flour is only 1/4 of the amount of flour she needs for a bread recipe.

Therefore, quantity of flour which Nina needs for a bread recipe is four times the present quantity

The cups of flour which Nina needs for a bread recipe = 2 / (1/4)

= 2 *4 cups

= 8 cups

Hope this helps..!!

Thank you :)

Which unit would you use to measure the weight of an elephant? mg g kg km

Answers

The unit is kilograms, kg.

What z-score value separates the top 10% of a normal distribution from the bottom 90%?​?

Answers

The 90th percentile corresponds to Z ≈ 1.28155.

The two-way table shows the number of students in a school who like music and/or dance.


Like Music

Do Not Like Music

Total

Like Dance

23

?

42

Do Not Like Dance

15

11

26

Total

38

30

68



What is the missing number in the table?
19
31
53
65

Answers

19 I hope this helped 

The missing number in the two-way frequency table will be 19 so option (A) will be correct.

What is a frequency table?

A frequency table is a list of objects with the frequency of each item shown in the table.

The quantity of times that an event or value occurs is its frequency.

In other words, a frequency table is a table in which we have some data and their frequency.

Given,

Total number of students who like dance= 42

Out of which 23 like music

Remaining = 42 - 23 = 19

So there will be total 19 students who like dancing but not music.

To learn more about the frequency table

brainly.com/question/12576014

#SPJ5

A rational expression that will be undefined at x=1?

Answers

This rational. expression will be undefined when x=1. 3x+2÷(-x+1)
A rational expression of the form 
[tex]r(x)= \dfrac{p(x)}{q(x)} [/tex]
will be undefined for the zeros of the expression [tex]q(x)[/tex]. For an expression with a zero equal to 1, the simplest way is to use [tex](x-1)[/tex] as a factor in [tex]q(x)[/tex]. In can be your only one, or you can mix in other factors.

But, so long as the denominator of [tex]r(x)[/tex] is equal to zero, as it is when [tex]q(x)=x-1[/tex], the expression will be undefined at that point x, because it would involve division by zero.

You could use as your sample:

[tex] \dfrac{x-7}{x-1} [/tex]

You can try to get fancy and square some factors or add in some radicals or trigonometric functions or anything else, so long as the 1 makes the denominator equal to zero!

In what range do the closing costs on a home loan typically fall?
a. 1% to 3%
b. 3% to 5%
c. 5% to 7%
d. 7% to 10%

Answers

Answer:

The answer is b.

Step-by-step explanation:


Answer:

b. 3% to 5% is the right choice.

Step-by-step explanation:

When a person buys a house, he will pay anywhere between 2 to 5 percent of the actual home price or the purchase price in the closing fees.

For example - if a home costs $200,000, a person can pay between $4000 and $10000 in closing costs.

So, option B : 3% to 5% is the correct answer.

1,220,000,000 in scientific notation?

0.0287 in scientific notation?

Answers

Answer:
= 1.22 × 109
(scientific notation)

= 1.22e9
(scientific e notation)

= 1.22 × 109
(engineering notation)
(billion; prefix giga- (G))

= 1220000000
(real number)
_________________________________________________

Answer:
= 2.87 × 10-2
(scientific notation)

= 2.87e-2
(scientific e notation)

= 28.7 × 10-3
(engineering notation)
(thousandth; prefix milli- (m))

= 0.0287
(real number)

Answer:

1.22*10^9

Step-by-step explanation:

A 72?? sector in a circle has an area of 16.4?? yd??.

What is the area of the circle?

Use 3.14 for pi.

Enter your answer as a decimal in the box.

Answers

The answer to this is 257.48

Solve for X:
X + 25 = 45

Answers

Hello!

All you have to is isolate the X variable :)

X  +  25  =  45
X  =   45  -  25

X  =  20

I hope this helps :))
X = 20 

Hope this helps ;)

(-6,12,-24...) What is the common difference? Is it Arithmetic or Geometric

Answers

This question of yours is not well arranged....
In an aptitude test if am given a question like this I wouldn't even solve it because the answer is in the question...
How???

"what is the common difference " then you asked" is it Arithmetic or geometric"

I would have chosen arithmetic because common difference is only typical to arithmetic progression... But this question is a typical Geometric sequence "we use Common ratio"

Common ratio = T₂/T₁
Common difference = T₂-T₁

T₂ = 12 and T₁ =-6

∴Common ratio = 12/-6 = -2......
Meaning each number in the sequence in creases by a factor of -2....

Multiply T₁ by -2 you'll have 12[T₂]
Multiply T₂ by -2 you'll have -24[T₃] and the sequence continues .........

Hope this helped......?

The radius of the circular lens of a magnifying glass is 4 centimeters.
What is the area, in square centimeters of the glass?

Answers

Answer: 50.24 square centimeters.

Step-by-step explanation:

Given: The radius of the circular lens of a magnifying glass = 4 centimeters

The area of a circle is given by :-

[tex]\text{Area}=\pi r^2[/tex], where r is the radius of the circle.

Then the area of the circular lens of a magnifying glass is given by :-

[tex]\text{Area}=\pi (4)^2=(3.14)(16)=50.24\text{ square centimeters }[/tex]

Hence, the area of the circular lens of a magnifying glass = 50.24 square centimeters.

ich sequence of transformations would result in a figure that is similar, but not congruent, to the original figure? Select all that apply. a dilation with a scale factor of 0.6 followed by a translation of 2 units up a reflection across the y-axis followed by a rotation about the origin of 10 a translation 2 units up followed by a translation of 2 units to the left a rotation about the origin of 50° followed by a dilation with a scale factor of 8

Answers

Translations, reflections, and rotations always result in a figure that is congruent. Only dilations with a scale factor other than 1 will give a similar, but not congruent, figure.

The 1st and 4th selections apply.

If you take a certain number 2.5 times then add 1.75 and divide the result by 0.8, you’ll get 37.5. What was the original number?

Please show how you did it!

Answers

The answer is 11.3. You just take all the directions and you do the opposite operation. 

Work

Step 1 - 37.5 x 0.8 = 30

Step 2 - 30 - 1.75 = 28.25

Step 3 - 28.25 divided by 2.5 = 11.3.

Step 4/ Final Answer - 11.3




 lets take the certain number and call it 'x'
take 2.5 of the number = 2.5x
when we add 1.75 -   2.5x + 1.75
and divide by 0.8  -    (2.5x+ 1.75)/0.8
the answer is 37.5
lets construct an equation with this information
(2.5x + 1.75)/0.8 = 37.5
2.5x + 1.75 = 37.5* 0.8
2.5x = 30 - 1.75
2.5x = 28.25
x = 28.25/2.5
x = 11.3

hhhhhhhellllllllp.....................................

Answers

You have 28 meters of fence to make 3 sides.
28/3 = 9.3333

The pen will be 9.3333 by 9.3333 meters


Please answer this question! Its easy

Answers

1 of all it's not easy and second the 1 one is A


Answer:

A

Step-by-step explanation:

The answer to the first question is A

A Web site defines a regular polygon as “a polygon with all sides the same length.” Is this definition valid?

A. Yes, because all regular polygons fit this definition.
B. Yes, because a square is a regular polygon.
C. No, because some polygons that are irregular fit this definition.
D. No, because not all regular polygons fit this definition.


Answers

Final answer:

The definition of a regular polygon as a polygon with all sides the same length is incomplete because it does not include the requirement that all angles must also be equal. Therefore, the best answer choice is C, as some polygons with equal sides do not have equal angles and are not regular.

Explanation:

The definition of a regular polygon as “a polygon with all sides the same length” is not entirely accurate, because it overlooks an important aspect of regular polygons. For a polygon to be considered regular, it must not only have all sides of equal length but also all angles must be equal. Therefore, the correct answer is C. No, because some polygons that are irregular fit this definition. For example, an equilateral triangle and a square are both regular polygons because they satisfy both conditions. However, a rhombus may have all sides of equal length but can have angles that are not equal, which makes it an irregular polygon.

In a raffle, one ticket is randomly chosen from 80 tickets to receive free haircuts for a year. If Jake entered 6 tickets, what is the probability that he is not chosen to receive the free haircuts? Express your answer as a fraction in simplest form, percent, and decimal.


Answers

Final answer:

The probability that Jake is not chosen in the raffle is 37/40, 92.5%, or 0.925.

Explanation:

The question asks for the probability that Jake is not chosen to receive free haircuts for a year from a raffle of 80 tickets, where he entered 6 tickets.

First, we compute the probability that Jake is chosen, which is the number of tickets he entered divided by the total number of tickets, resulting in 6/80 or 3/40.

To find the probability that Jake is not chosen, we subtract this probability from 1 (the total probability space), yielding 1 - 3/40 = 37/40.

In the simplest form, this is already reduced. As a percent, this probability is 92.5%, and as a decimal, it is 0.925.

The inverse of f(x)

Answers

x=-6(y-2)
x=-6y+12
x-12=-6y
-1/6x+2=f^-1(x)

Adam wrote a check for $38 to pay his monthly gas bill, but when balancing his checkbook, he accidentally recorded it as credit rather than as a debit. How will his check register compare to his monthly bank statement when he receives it?

Answers

Answer: the balance in his check register will be $76 over the balance on his bank account

Find the nonpermissible replacement for a in this expression 3/4a

Answers

Under the assumption your expression is [tex]\frac{3}{4a}[/tex], a cannot equal 0.  If a=0, then 4a=0 and we have division by 0, which is undefined.
If your original expression was [tex]\frac{3}{4}a[/tex], a could be any real number.

they are correct the answer is 0

explain why the amount of propane in a grill’s tank and the time spent grilling could represent an inverse variation

Answers

The obvious answer is because propane is a gas at room temperature, while 2-propanol is a liquid at room temperature.

That happens because the intermolecular forces that exist between 2-propanol, or isopropyl alcohol, molecules are stronger than those that exist between propane molecules.

Final answer:

The amount of propane in a grill's tank and the time spent grilling represent an inverse variation. As the amount of propane in the tank decreases, the time spent grilling increases.

Explanation:

In the context of a propane grill, the amount of propane in the grill's tank and the time spent grilling represent an inverse variation. In an inverse variation, as one variable increases, the other variable decreases, and vice versa. In this case, as the amount of propane in the tank decreases (more grilling time), the time spent grilling increases. This is because the more propane that is used up, the less time you have left to grill before running out of gas.

What is the slope of the line that passes through (10,0) and is parallel to y=1/2x+3

Answers

Answer: 1/2

Explanation: The slope of the given line y = 1/2x+3 is 1/2 as its the coefficient in front of the x. Any line parallel to this will also have a slope of 1/2. Parallel lines have equal slopes. The info about (10,0) is unneeded. It was likely put in there to throw you off. 

A rectangle has a length of 1111 inches less than 33 times its width. if the area of the rectangle is 592592 square inches, find the length of the rectangle

Answers

L = 3W -11
A = L*W
592 = L*(L +11)/3

It is convenient to let a graphing calculator find the solution to this.

L = 37 . . . . inches

kangaroo wants to arrange the twelve numbers from 1 to 12 in a circle in such a way that any neighboring numbers always differ by either 1 or 2 which of the following pairs of numbers have to be neighbors

Answers

Start by laying out the 12.
The neighbors of 12 must be 11 and 10.
The neighbor of 11 must be 9, and the neighbor of 10 must be 8, and so on and so forth, until you get a unique arrangement.

WILL GIVE BRAINLIEST!!!!!! PLEASE HELP ME!!! 12 POINTS!!!!!

The acceleration of any object can be found using the expression v - u over t , where v is final velocity, u is intial velocity and t is the time interval.

This expression can be interpreted as the _____
Given choices: (sum, difference, product, quotient)

of the _____
Given choices: (sum, difference, product, quotient)

of _____
Given choices: (v subtracted from u, u subtracted from v, v subtracted from t, u subtracted from t)

divided by _____.
Given choices: (u, v, t)

Answers

The expression can be interpreted as the quotient of the difference of u subtracted from v, divided by t.

_____
That's precisely how you would read (v -u)/t.

This is actually the *average* acceleration over the time interval t.

20 POINTS!!
In two or more complete sentences, explain what additional information is needed to prove triangle CES congruent to triangle RST.

Answers

congruent means they are the same size 

To prove the two triangles are congruent you would need to know the length of at least two of the sides. If two sides were not known you would need to know the length of one side and at least one of the unknown angles.

Answer:

The additional info that would help us better determine if the triangle CES is congruent to Triangle RST would be the angles measured degree. This would help us better determine the answer due to the fact that providing the angles S, E & T's exact degree will help us make sure they are congruent triangles.

Step-by-step explanation:

Odyssey
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