Theoretical v. Experimental Probability

Describe what EXPERIMENTAL PROBABILITY is.

• What DID happen during the experiment

• What SHOULD happen in an experiment

Describe what THEORETICAL PROBABILITY is.

• What DID happen in an experiment

• What SHOULD happen in an experiment

What is the theoretical probability that an even number will be rolled on a number cube?

• 1/3

• 1/2

• 2/3

• 1/6

What was the experimental probability of how many times an even number was actually rolled using the table?

• 2/3

• 5/7

• 5/12

• 1/2

Jon made 15 out of 35 free throws.

What is his experimental probability as a fraction?

**SIMPLIFY THE FRACTION!**

• 3/7

• 15/35

• 1/2

• 5/7

Kate spun the spinner 75 times and landed on "3" thirty times.

What is the experimental probability as a percentage?

• 20%

• 30%

• 40%

• 50%

Theoretically, what is the probability that you will land on a 3?

• 25%

• 50%

• 75%

• 0%

Jill rolled a "5" fifteen times out of 20 rolls on a dice.

What is the experimental probability as a SIMPLIFIED FRACTION!

• 3/7

• 3/6

• 3/5

• 3/4

What is the theoretical probability of rolling a 5 on a dice?

• 1/6

• 5/6

• 6

• 15

The bar graph shows the results of spinning the spinner 200 times. What is the experimental probability of landing on a 3?

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