A teacher administers three different versions of a test to his students. The two-way table shows the results. Find each probability.

Part A. P(pass | Test A)

The probability is _%

Part B. P(pass | Test A)

The probability is _%
SHOW ALL WORK

Answers

Answer 1

The P(pass | Test A) is 31.81%, P(pass | Test B) is 29.87%, and P(pass | Test C) is 22.07%

What is probability?

It is defined as the ratio of the number of favourable outcomes to the total number of outcomes, in other words, the probability is the number that shows the happening of the event.

Part A:

Total number of students = 154

Total number of students passed the test = 49

The probability:

P(pass | Test A) = 49/154 = 31.81%

Part B:

Total number of students = 154

Total number of students passed the test = 46

The probability:

P(pass | Test B) = 46/154 = 29.87%

Similarly, for the probability:

P(pass | Test C) = 34/154 = 22.07%

Thus, the P(pass | Test A) is 31.81%, P(pass | Test B) is 29.87%, and P(pass | Test C) is 22.07%

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Related Questions

5. Tyrone has a deck of cards numbered 1 - 5.
He chooses one card, replaces it, and then
chooses another card. Find the probability
that he draws a 2 first and then chooses a
card less than 4.

Answers

Answer:

3/25

Step-by-step explanation:

1/5 x 3/5 = 3/25

If a sprinkler rotated 90˚, paused, and then rotated another 90˚, how many degrees
did it rotate altogether

Answers

Answer:

180°

Step-by-step explanation:

Since a sprinkler rotates 90°, pauses,and then rotates another 90°

So, here total degrees be like

= 90° + 90°

= 180°

hence, The number of degrees did it rotate altogether should be considered as the 180 degrees.

Owen owns a small business selling ice-cream. He knows that in the last week 102 customers paid cash, 3 customers used a debit card, and 8 customers used a credit card.

Answers

The probability that the next costumer will pay with a credit card is 0.07.

What is the probability?

Probability determines the chances that an event would happen. The probability the event occurs is 1 and the probability that the event does not occur is 0.

The probability that the next costumer will pay with a credit card = number of customers that paid with a credit card / total number of customers

8 / ( 8 + 3 + 102)

= 8 / 113 = 0.07

Here is the complete question:

Owen owns a small business selling ice-cream.He knows that in the last week 102 customers paid cash, 3 costumers used a debit card, and 8 costumers used a credit card. Based on these results,express the probability that the next costumer will pay with a credit card as a decimal to the nearest hundredth

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GIVING BRAINLIESST TO ANYONE WHO HELPS PLEASE EXPLAIN THANK U

Answers

Answer:

3:1 or 9:3

Step-by-step explanation:

It wants a ratio of larger rectangle : smaller rectangle.

All we have to do is replace the values and we get 9:3, or simplified, 3:1

Hope this helped! I would appreciate a Brainliest if you wouldn't mind!

A popular social networking website wants to upgrade its webpage design, but it is unsure how its audience would respond to the change. what is the best step for the website to take in order to gauge the target audience’s response if it wants to limit the risk of alienating the entire target audience?

Answers

To limit the risk of alienating the entire target audience it needs to release the design to a small number of randomly chosen members .

Who are the target audience?

target audience serves as a term that describes the people that a particular work or a product is been directed to.

Therefore, as a popular social networking website who want to limit the risk of alienating target audience, it should work randomly.

Learn more about target audience at;

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Pls Help, I will mark brainliest.

Answers

Answer:

5^2

Step-by-step explanation:

..................................................

5 to the second power

Select the correct answer. which expression shows the factors of 9x2 3x − 2? a. (3x − 1)(3x − 2) b. (3x 1)(3x − 2) c. (3x 2)(3x − 1) d. (9x − 2)(x 1)

Answers

The complete factor of the expression 9x² + 3x - 2 is (3x - 1)(3x + 2)

How to determine the complete factorization?

The expression is given as:

9x² + 3x - 2

Expand the equation

9x² + 3x - 2 = 9x² + 6x - 3x - 2

Factorize the expression

9x² + 3x - 2 = 3x(3x + 2) - 1(3x + 2)

Factor out 3x + 2

9x² + 3x - 2 = (3x - 1)(3x + 2)

Hence, the complete factor of the expression 9x² + 3x - 2 is (3x - 1)(3x + 2)

Answers

Answer:

POINT A

Step-by-step explanation:

it is 4 units to the left and 6 units up of the origin

David has kept track of his family’s grocery bills for the past
10 weeks, as shown in the table.
Week 1 2 3 4 5 6 7. 8 9 10
Bill ($) 92 106 129 115 100 84 110 156
98 87
Would you choose to use a histogram, a circle graph, or a line graph to
display the data? Explain your choice.

Answers

Answer:

it is more easier to use a histogram and accurate

Answer:

Line graph

Step-by-step explanation:

A line graph is specifically used to display data that changes over time, a line plot uses several points connected by straight lines on an x and y axis.

I wouldn't choose a histogram because a histogram is used to summarize continuous data.

As well as I wouldn't use a circle graph becasue it is often used to show the percentage of of population who gave a certain answer.

A 20 ft. long piece of lumber is cut such that the first piece is 4 ft. longer than three times the second piece. what is the length of each piece?

Answers

Answer:

2nd = 4ft.

1st = 16ft

Step-by-step explanation:

2nd = x

1st = 3x + 4

Piece of rope = 20ft.

(3x + 4) + x = 20

4x + 4 = 20

4x = 16

x = 4 (second piece)

First

3x + 4

3(4) + 4

12 + 4 = 16

If the volume is 7 and the density is 1.420 what's thr mass

Answers

Answer:

9.94

Step-by-step explanation:

Density = mass/ volume

1.420 = mass / 7

7 x 1.42 = mass

9.94 = mass

What is the answer to number 2 on this sheet?

Answers

Answer:

Step-by-step explanation:

Use the Volume formula for cylinders first.

V=πr^2•h.

Radius=Diameter/2

R=5.

Plug it in.

V=π5^2•36

V=2,826.

Multiply the rest of the answers out to see what matches.

J.) 78.5•36=2,826

Four seventh-grade students won awards. In how many different ways could the students sit with a partner during awards ceremony?

Answers

The number of the different ways could the students sit with a partner during the awards ceremony will be 24.

What are permutation and combination?

A permutation is an act of putting things or elements in the right sequence. Combinations are a method of picking things or pieces from a collection of objects or sets when the sequence of the objects is irrelevant.

Four seventh-grade students won awards.

Then the number of the different ways could the students sit with a partner during the awards ceremony will be

P = 4!

P = 4 x 3 x 2 x 1

P = 24

More about the permutation and the combination link is given below.

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Given h(x)=2x3 + x2 +7, what is the value of h(−3)?
With the steps please.

Answers

Answer:

-38.

Step-by-step explanation:

Plug x = -3 into the given function

h(-3) = 2(-3)^3 + (-3)^2 + 7

= -54 + 9 + 7

= -54 + 16

= -38.

Solve for x, y and z. Round your answers to the nearest tenth.

Answers

Answer:

Step-by-step explanation:

2.4 divided by 0.24 pllss help

Answers

Answer:

your answer is 10 Goodluck

Ajay has a piggy bank which has one-rupee and two-ruppe coins. The number of 2 rupee coins is twice the number of 1 rupee coins.the total amount of money in the piggy bank is 30 rupees. How many 1 rupee and 2 rupee coins are there in the piggy bank?

Answers

Let number of one rupee coins be x
Let number of two rupee coins be 2x

=> 2x+x=30
=>3x=30
=> x = 10

Hence , number of one rupee coints are x = 10

Number of 2 rupee coins are 2x = 2(10) = 20

Hope this helps you dear:)
Have a good day!

Answer:

6 one rupee and 12 two rupee coins.

Step-by-step explanation:

If the number of rupee coins is x then the number of 2 rupee coins is 2x.

x + 2*2x = 30

5x = 30

x = 6.

Find the Volume of the triangular prism

Answers

Answer:

72 cubic yards

Step-by-step explanation:

The volume of a prism is given by ...

V = Bh

where B is the area of the base, and h is the distance between bases.

Here, the base is a triangle, so its area is given by ...

A = 1/2bh

where b is the base of the triangle, and h is the height perpendicular to the base.

Using these formulas with the dimensions given, we have ...

B = 1/2(8 yd)(3 yd) = 12 yd²

V = (12 yd²)(6 yd) = 72 yd³

The volume of the triangular prism is 72 cubic yards.

_____

Additional comment

Effectively, the volume of a triangular prism is half the volume of a rectangular prism with the same length, width, and height.

33, EDUCATION In a certain small town,
65% of the adults are college graduates.
How many of the 240 adults living in
the town are college graduates?
tooo

Answers

Answer:

156 adults are college graduates

Step-by-step explanation:

To find the answer we have to find 65% of 240.

[tex]240 \times \frac{65}{100} = \\ \\ \frac{15600}{100} = \\ \\ 156[/tex]

(see image) please help i give brainlist What will the equation be if the following equation is translated 5 units right and 6 units down?

Answers

Answer:

The equation is

g(x) = (x+5)² - 6

What is the factor form pls yall I need help lol and put how to solve it

Answers

Answer:

y = -1/2(x - 3)(x - 7)

Step-by-step explanation:

we already have the x intercepts so we can first put those in our equation

y = a(x - 3)(x - 7)

then we can plug in the vertex to find what our a value is

2 = a(5 - 3)(5 - 7)

2 = a(2)(-2)

2 = -4a

a = -1/2

so your equation is

y = -1/2(x - 3)(x - 7)

The zeroes of the function are___

Answers

Answer:

The zeros are x = -2, x = 0, x = 4.

Step-by-step explanation:

The zeros describe where the function crosses the x-axis, or where the y-value is zero. In this case, the zeros are x = -2, x = 0, x = 4.

Mai put $4250 in the bank at 4.4% interest compounded annually. How much was in her
account after 7 years?

Answers

Answer:

$5745.03

Step-by-step explanation:

A = 4250(1 + 0.044)7 = $5745.03

The required amount in the Mai accounts after 7 years will be $5745.03.

What is compound interest?

Compound interest is the interest on deposits computed on both the initial principal and the interest earned over time.

Amount = principal[1 + r/n]ⁿᵃ

Here,

Principal = 4250, rate = 4.4%, Time = 7 ,
Amount = 4250[1 + 0.044]⁷
Amount = $5745.03

Thus, the required amount in the Mai accounts after 7 years will be $5745.03.

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i would really appreciate some help with this question, thank you!

if A(4,5), B(6,8), then vec AB is .......

answer choices;
a)(24,40)
b)(10,13)
c)(2,3)
d)(40,24)

Answers

Answer:

A is the answer to the question

Step-by-step explanation:

4*6=24

5*8=40

Juan can type 27 words in 9 minutes.
What is his rate in words per minute?
words per minute?

Answers

Answer:

3 words per minute

Step-by-step explanation: First you divide 9 by 9 to get one then you divide 27 by nine to get 3 simple

Answer:

y=3

Step-by-step explanation:

27=y x 9

27/9= y x 9/9

3=y

3words x9minutes =27words in 9 minutes 3 words a minute.

I used y because x would look tacky next to another x

#57 will give brainliest to the best answer. please explain

Answers

Answer:

(x+y)(z+1)

Step-by-step explanation:

trust me .......

Answer:

(x+y) (z+1)

Step-by-step explanation:

xz + x + yz + y

- group the first two terms and the last two terms.

(xz + x ) + yz + y

- factor out the greatest common factor (GCF) from each group.

x (z + 1) + y (z + 1)

- factor the polynomial by factoring out the greatest common factor, z + 1.

(x+y) (z+1)

Need help please answer ASAP!

Answers

Answer:

29. (2) 12

30. (1) a slope of 3/2 and a y-intercept of -6

31. (1) 12

32. (4) 8%

33. (1) -5

Step-by-step explanation:

Question 29

2x/3 - 5 = x/42x/3 - x/4 = 5(8x - 3x)/12 = 55x = 60x = 12(2) 12

Question 30

3x - 2y = 122y = 3x - 12y = 3x/2 - 6It has a slope of 3/2 and y-intercept of -6(1) a slope of 3/2 and a y-intercept of -6

Question 31

(x - 4)(x + a) = x² - x + w = 0a - 4 = -1a = 3(x - 4)(x + 3) = x² - x - 12 = 0w = 12(1) 12

Question 32

Sales tax = $20.51 - $18.99 / $18.99Sales tax = $1.52/$18.99Sales ≈ 8%(4) 8%

Question 33

C = 5/9 [23 - 32]C = 5/9 (-9)C = -5(1) -5

Write an expression that represents the weigh of and object that weighs 12 pounds and increases by 0.5 pound per month, m.

Answers

I think the expression should be 12+0.5m

Mrs. Martinez is making a stained-glass
window. She wants to make a triangular pane
having side lengths a = 12 in. and b= 16 in. If
m panes can she make?

Answers

Answer: They have raised $100 for the materials for the project. The colored glass costs $5 per square foot and the clear glass costs $3 per square foot.

Step-by-step explanation:

If B=94, Then what is B-(8x4)?

Answers

Answer:

Step-by-step explanation:

If B = 94, then it'd be 94 - (8*4)

94 - 32

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A teacher administers three different versions of a test to his students. The two-way table shows the results. Find each probability.Part A. P(pass | Test A) The probability is ___%Part B. P(pass | Test A)The probability is ___%SHOW ALL WORK

Answers

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A teacher administers three different versions of a test to his students. The two-way table shows the results. Find each probability.

Part A. P(pass | Test A)

The probability is _%

Part B. P(pass | Test A)

The probability is _%
SHOW ALL WORK