Probability Review

Maryn rolls a die 6 times and gets a 2 three times. How does the experimental probability of rolling a 2 compare to the theoretical probability?

• Theoretical probability is greater than experimental

• Experimental probability is greater than theoretical

• Theoretical probability is the same as the experimental

• Probability cannot be determined

Joshua flips a coin 100 times. It lands on tails 67 times. How does the theoretical probability compare to the experimental probability?

• Theoretical probability is higher by 17%

• Theoretical probability is higher by 67%

• Experimental probability is higher by 17%

• Experimental probability is higher by 67%

Probability can be expressed as a number between _____

• 0 - 1

• 0 - 10

• 1 - 100

• 0 - 1/2

If a bag contains 5 red, 3 blue, and 2 green marbles, what is the probability of drawing a blue marble?

• 1/2

• 1/5

• 3/10

• 3/5

A spinner has 5 sections labeled P, Q, R, and T. The arrow was spun 15 times and landed 4 times on Q.

• The experimental probability is ¹/₅, and the theoretical probability is ¹/₅.

• The experimental probability is ¹/₅, and the theoretical probability is ⁴/₁₅.

• The experimental probability is 4/₁₅, and the theoretical probability is ¹/₅.

• The experimental probability is 4/₁₅, and the theoretical probability is ⁴/₁₅.

In a game, the probability of winning is 0.2. What is the probability of losing the game?

• 0.8

• 0.2

• 0.5

• 1.0

Kevin tossed a coin 50 times. The coin landed on heads 32 times and on tails 18 times. What is the relative frequency of landing on heads?

• .32

• 50%

• 64%

• .18

If the spinner is spun 96 times, about how many times can you expect it to land on blue?

• 21

• 32

• 36

• 45

Which statement about the spinner is false?

• It is more likely to land on red than blue

• It is more likely to land on red than blue or yellow

• It is impossible to land on purple

• It is unlikely to land on yellow

Emma Chase flips a fair coin 7 times and it lands on tails each time. What will happen on the next coin toss?

• It will definitely land on heads

• It will definitely land on tails

• It is more likely to land on tails than heads

• It is equally likely to land on heads as tails