Simple Probability Review

On a 6-sided die, which is more likely?

• Rolling an odd number
• Rolling an even number
• They are both equally likely.

P(not A) = 
*Remember to simplify.*

• 6/8
• 3/4
• 2/8
• 1/4

What is the probability of the spinner shown landing on green?

• 1/4

• 1/3

• 1/2

• 2/7

What is the probability of the spinner landing on green? (Convert your answer into a percent and round to the nearest whole number.)

• 10%

• 15%

• 20%

• 25%

What is the probability of the spinner landing on blue?

• 1/8

• 1/4

• 3/8

• 1/2

If you roll a die, what is the probability of the die landing on a 5? (Convert your answer into a percent and round to the nearest whole number.)

• 16%

• 17%

• 33%

• 6%

There are 12 green marbles and 6 black marbles. If one marble is chosen at random then what is the probability of getting green marble.

• 1/3

• 2/3

• 1/2

• 3/4

A coin is flipped. Which answer below best represents the probability of the coin landing on heads?

• 1/4

• 2/3

• 50%

• 0.05

A bag contains 5 quarters, 2 dimes, and 4 pennies. What is the probability of picking a quarter?

• 5/11
• 5/6
• 1/3
• 5

There are 15 girls and 15 boys in 8th period. If Terry randomly selects a member of 8th period, what is the probability that she will select a boy?

• 15/15
• 1/2
• 15/40