Probability Review

What is the probability of something that is CERTAIN TO HAPPEN?

• 1

• 2

• 0

What is the probability of something that is IMPOSSIBLE TO HAPPEN?

• 0

• 1

• 100%

If you choose from the following M & M colors, what is the probability that you choose blue?
5 green
6 yellow
8 blue
7 brown

• 8/26
• 4/13
• 8/25
• 1/3

Deion has two bags of marbles. In the bag labeled ‘A’, he has 3 green, 4 blue and 10 yellow marbles. In the bag labeled ‘B’, he has 13 green, 5 blue, and 12 yellow marbles. Deion wants the bag with the highest probability of selecting a blue marble. Which of the following statements is true?

• It does not matter which bag he chooses because the probabilities are the same.

• He should choose Bag B because there are fewer blue marbles.

• He should choose Bag A because the probability of selecting a blue marble is higher.

• He should choose Bag B because the probability of selecting a blue marble is higher.

Find the probability of drawing a 10 from a standard deck of 52 cards.

• 4 out of 52
• 13 out of 52
• 13/52
• 4/52

What is the sample space when rolling a regular number cube?

• 1

• 2, 4, 6

• 1, 2, 3, 4, 5, 6

• 6

What is sample space?

• All of the Outcomes
• What Will Happen
• What Can Happen
• What I want to Happen

What is the sample space when choosing one month out of the year?

• Jan., Feb., Mar., April, May, June, July, Aug, Sept, Oct., Nov., Dec.

• Jan., Mar., April, May, June, July, Sept, Oct., Nov., Dec.

• 12 months

• 52 weeks

What is the probability of landing on the color blue on the spinner?

• 3/3
• 1/12

• 3/12 or 1/4
• 3/9 or 1/3

What is the probability of the spinner landing on red?

• 5/12
• 7/12

• 5/5
• 5/10 or 1/2