VA SOL 7.8 - Probability

What is theoretical probability?

• What you expect to get in a probability event

• The results that you actually get in a probability experiment.

What is experimental probability?

• What you expect to get in a probability event

• The results that you actually get in a probability experiment.

How is experimental probability calculated?

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How is theoretical probability calculated?

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Taylor rolls a dice 71 times and it lands on the number 2 a total of 17 times. What is the theoretical probability that she will roll a 2? (Write your answer as a fraction. Example: 1/2 or 1/8.)

Taylor rolls a dice 71 times and it lands on the number 2 a total of 17 times. What is the experimental probability that she will roll a 2? (Write your answer as a fraction. Example: 1/2 or 1/8.)

Colton spins the following spinner 48 times and it lands on blue 12 times. What is the theoretical probability he will land on blue? (Write your answer as a fraction. Example: 1/2 or 11/13.)

Colton spins the following spinner 48 times and it lands on blue 12 times. What is the experimental probability he will land on blue? (Write your answer as a fraction. Example: 1/2 or 11/13.)

Zaire spins this spinner 150 times. 25 times he lands on a multiple of 5. What is the experimental probability that he lands on a multiple of 5?

• 1/25

• 1/3

• 1/6

• 1/4

Zaire spins this spinner 150 times. 25 times he lands on a multiple of 5. What is the theoretical probability that he lands on blue?

• 1/9

• 2/9

• 3/9

• 1/6