A number cube is rolled 60 times. How many times would you expect to roll a 5?

420

If a number cube is rolled 60 times how many times should a 2 be rolled

12

To calculate the expected number of times you would roll a 5 on a number cube rolled 60 times, you need to find the probability of rolling a 5 on each individual roll and then multiply it by the total number of rolls.

On a fair six-sided number cube, there is one face with a 5. Since each face has an equal chance of landing on top, the probability of rolling a 5 on a single roll is 1/6.

To find the expected number of times you would roll a 5, multiply the probability of rolling a 5 on each individual roll (1/6) by the total number of rolls (60):

Expected number = probability of success × total number of trials
Expected number = (1/6) × 60
Expected number = 10

Therefore, you would expect to roll a 5 approximately 10 times when rolling a number cube 60 times.

1/6(60) = ?