Theoretical Probability Activity Worksheet Page 4

Name _____________________

Period _________

Comparing Theory with Reality

Now it’s time to actually compare how theory and reality matched up. Write your results

in percent form. Round to the nearest whole percent.

Number Rolled

Probability Out of 100

Actual Amount Out of 100

≈17%

Results will vary

an even number

50%

a prime number

50%

≈33%

a multiple of 3

Critical Thinking

3. How did your actual rolls compare to your theoretical probability prediction?

Answers will vary.

4. Do you think this would have been different if you had rolled the die 1,000 or

even 10,000 times? Explain your reasoning.

Answers will vary. Students should be able to understand that the theoretical

probability predictions should be closer to the actual experimental probability

results as the number of trials increases.

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