Chapter 3 Review: Probability

What is the probability of getting any letter that is not A?

• 6/8
• 3/4
• 2/8
• 1/4

A bag has 3 red marbles, 2 blue and 4 yellow. What is the probability of pulling a red?

• 3/10
• 3/9
• 1/9
• 1/3

If a dice is rolled 300 times, how many times would you predict a roll of a 1 or a 6?

• 50
• 100
• 150
• 75

If the expected value is negative, are you expected to win?

• yes
• no

If a stone is dropped at random on the arrangement of tiles shown, what is the probability the stone lands on a black tile?

• 5/9
• 4/9
• 1/2
• 1/9

What is the expected value of a fair game?

• 1

• -1

• 0

• Fair games have to EV

If you spin the spinner 90 times, how many times should the number 3 be selected?

• 9
• 15
• 16
• 30

A store sells shirts that are either small, medium, or large. The colors are either red, blue, green, or white. What is the probability someone will select a large green shirt?

• 1/3
• 1/7
• 1/9
• 1/12

A single 6-sided die is rolled. What is the probability of rolling a 2 or a 5?

• 1/3

• 2/3

• 1/2

• None of the above

Using the spinner, what is the probability of spinning purple or green?

• $\frac{1}{6}$

• $\frac{1}{3}$

• $\frac{2}{3}$

• $\frac{5}{6}$