Question

Your friend says she has an unfair number cube: the probability of getting a one or a six is 1/3 for each, and the probability of getting a two, three, four, or five is 1/12 for each. You want to test her statement. If you roll the number cube 96 times, what are the expected values for each number on the number cube

Answer 1

See below.

Explanation:

Expected number = probability x 96 (the number of rolls)

Outcome Probability Expected Value

1 1/3 (1/3)(96) = 32

2 1/12 8

3 1/12 8

4 1/12 8

5 1/12 8

6 1/3 32