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Exam 3

Authored by Belinda Apodaca

Mathematics

University

CCSS covered

Used 3+ times

Exam 3
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19 questions

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1.

FILL IN THE BLANK QUESTION

5 mins • 1 pt

You flip a fair coin.

What is P(tails}?
If necessary, round your answer to 2 decimal places.

Tags

CCSS.7.SP.C.7A

2.

FILL IN THE BLANK QUESTION

5 mins • 1 pt

Giovanna owns a farm. She is going to randomly select one animal to present at the state fair. She has 6 pigs, 7 chickens, and 10 cows.

What is P(chicken)?
If necessary, round your answer to 2 decimal places.

Tags

CCSS.7.SP.C.7B

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Simone is stranded on an island. The probability of her finding safety by waiting for help is 1/4. The probability of her finding safety by leaving in her raft is 0.32.

Which of these events is more likely?

Choose 1 answer:

Simone finds safety by waiting for help.


Simone finds safety by leaving in her raft.

Neither. Both events are equally likely.

Tags

CCSS.8.SP.A.4

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Marvin Martian, Aly Alien, and Hank Human are all looking for a hidden spaceship. Their probabilities of finding the spaceship first are as follows:

P(Marvin wins) = 30%

P(Aly wins) = 0.2

P(Hank wins) = 1/2

Which is the least likely to happen.

Aly Wins

Marvin Wins

Hank Wins

Tags

CCSS.7.SP.C.5

5.

FILL IN THE BLANK QUESTION

5 mins • 1 pt

Media Image

Based on the table, for an employee selected at random, write the probability that the employee uses a landline.

Tags

CCSS.8.SP.A.4

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

What is the mode of the following numbers?

6, 4, 1, 9, 3, 8, 3, 5, 10

5.4

3

9

Tags

CCSS.6.SP.B.5C

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

What is the arithmetic mean of the following numbers?

1, 2, 4, 6, 4

3.4

4

5.2

Tags

CCSS.6.SP.B.5C

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