Probability Test Review

What probability represents an event that is as likely as not to occur?

• 1

• 1/4

• 1/2

• 3/4

You spin the spinner. What is the probability of landing on a yellow section or a blue section?

• 1/4, 0.25, 25%

• 3/8, 0.375, 37.5%

• 3/5, 0.6, 60%

• 3/8, 0.4, 40%

You spin the spinner. What is the probability you land on yellow?

• 1/4, 0.2, 20%

• 1/4, 0.25, 25%

• 3/4, 0.75, 75%

• 4/6, 0.67, 67%

What is the theoretical probability of landing on purple?

• 1/4, 0.25, 25%

• 1/5, 0.15, 15%

• 1/5, 0.2, 20%

• 5/1, 5, 500%

How many meal outcomes are possible if you choose from 3 sandwiches, 2 drinks and 4 chips?

• 9

• 12

• 3

• 24

A spinner with 3 equal sections was spun 20 times. What is the experimental probability of landing on yellow?

• 5

• 1/3

• 1/4

• 1/5

38 students were surveyed. If there are 280 students, how many would you expect to choose waffles as their favorite?

• about 59

• about 24

• about 8

• about 35

Use the fundamental counting principle to find the number of possible combinations.

• 16

• 12

• 6

• 8

There is a spinner with sides A, B, & C. If a spinner is spun twice, what is the sample space?

• AA, AB, AC, BB, BC, CC

• AA, AB, AC, BA, BB, BC, CA, CB, CC

• AA, BB, CC

• AB, AC, BA, BC, CA, CB

If Fred tosses a coin and then rolls a number cube. What is the probability that he gets a heads and a 6?

• 1/2

• 1/6

• 1/12

• 1/8