Experimental vs. Theoretical Probability

Question 1

During Samuel’s experiment, the experimental probability was 0.25. What else must be true about the experiment?

Revolt · Accepted Answer

The experimental probability of the outcome is .

Question 2

The theoretical probability is 1/6. The experimental probability is 1/6.The theoretical probability is 1/5. The experimental probability is 1/6.The theoretical probability is 1/6. The experimental probability is 1/5.The theoretical probability is 1/5. The experimental probability is 1/5.

Revolt · Accepted Answer

The theoretical probability is 1/6. The experimental probability is 1/5.

Question 3

A = 1/4✔ 1/51/62/15

Revolt · Accepted Answer

1/5; Selection 1: 1/5; Selection 2: 2/15

Question 4

B = 1/41/51/6✔ 2/15

Revolt · Accepted Answer

2/15

Question 5

Which statements are true? Check all that apply.

Revolt · Accepted Answer

As the number of trials increases, experimental probability is closer to theoretical probability.; As the number of trials increases, there is no change in the theoretical probabilities.

Question 6

Question 10

Revolt · Accepted Answer

A number cube has 3 even numbers. Each even number has a theoretical probability of 1/6. In 60 rolls, an even number could come up ten times. Since there are 3 even numbers, the total predicted value is 30. So 20 is a low prediction.

Question 7

Which did you include in your answer? Check all that apply.

Revolt · Accepted Answer

A number cube has 3 even numbers.; Even numbers have a theoretical probability of 1/2, and (1/2)(60) is 30.; John’s prediction of 20 is too low.

Question 8

Maya wants to perform an experiment with a spinner labeled A, B, and C. The theoretical probabilities for each section are: P(A) = ½, P(B) = ¼, and P(C) = ¼. Which spinner could she use?

Revolt · Accepted Answer

Answer image: https://media.edgenuity.com/EVresources/3107-05-05-30-07-task/mc001-2.jpg

Question 9

Emma conducted an experiment in which she rolled a six-sided, fair number cube 300 times. How many times would you predict she rolled a 6?

Revolt · Accepted Answer

A number cube has six sides. The probability of landing on any of the numbers is equal. The theoretical probability of rolling a 6 is 1/6. I expect a 6 to be rolled (1/6)(300), or 50 of 300 times.

Question 10

Check all that you included in your response.

Revolt · Accepted Answer

The probability of landing on any of the numbers of a number cube is equal.; The theoretical probability of rolling a 6 is 1/6.; A 6 would be rolled about (1/6)(300), or 50, times.

Experimental vs. Theoretical Probability Answers

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