Question

If you roll a number cube 30 times, how many times do you expect to roll a five

Answer 1

5

Explanation:

There are 6 numbers on a die, one of them is 5 so we expect to get a five one of six times

P (5) = 1/6

If we roll the die 30 times, we expect to get a five 30 * 1/6 = 5 times