What is the variance of the number of times a 6 appears when a fair die is rolled 10 times? Question What is the variance of the number of times a 6 appears when a fair die is rolled 10 times? in progress 0 Math Harper 1 week 2021-09-15T22:45:54+00:00 2021-09-15T22:45:54+00:00 1 Answer 0

## Answers ( )

Answer:Step-by-step explanation:In

Binomial distribution,The Formula to find Variance is given by :-, where n = Total number of trials and p= probability of getting success in each trial.

Total outcomes on a fair dice (1,2,3,4,5,6)= 6

When we roll a fair dice, then the probability of getting a 6 =

[∵ Probability = ]

Then, the variance of the number of times a 6 appears when a fair die is rolled 10 times :-

[ Here n= 10 and ]

Hence, the variance of the number of times a 6 appears when a fair die is rolled 10 times=