Probability Review

Mrs. Trevino has 3 red pens, 5 pink pens, and 8 blue pens. What is the probability that she will choose a blue pen to grade papers?

• 1/2

• 8

• 3/16

• 16/8

A bag contains 15 yellow cubes, 6 blue cubes, and 4 red cubes. If you select a cube at random, what is the probability the cube will NOT be yellow?

• 25/15

• 2/5

• 15

• 5/3

What is the probability of picking a blue marble, putting it back in the bag, then picking a red marble?

If you spin two times, what is the probability of landing on green both times?

A coin and a number cube with the numbers 1 through 6 are tossed. What is the probability of the coin showing tails and the number cube showing the number 3? 

• 1/12
• 1/4
• 1/8
• 1/2

An event that consists of two or more events

•  event
• dependent events
• experiment
• compound event

How many outfits are possible with 5 pairs of jeans, 8 t-shirts, and 2 pairs of shoes?

• 15
• 40
• 80
• 10

A jar contains 8 green, 4 blue, 10 red, and 2 yellow Skittles. A Skittle is randomly drawn, REPLACED, then another is drawn. Find each probability.

P(both blue)

• 1/18

• 1/12

• 1/36

• 1/24

A jar contains 8 green, 4 blue, 10 red, and 2 yellow Skittles. A Skittle is randomly drawn, REPLACED, then another is drawn. Find each probability.

P(both red)

• 5/144

• 5/138

• 25/140

• 25/144

How many total outfit options are represented?

• 12
• 22
• 3