The variance of a binomial distribution is given by the formula $\sigma ^ { 2 } = n p ( 1 - p )$
,where n is the number of trials,and p is the probability of success in any trial.

Question

The variance of a binomial distribution is given by the formula $\sigma ^ { 2 } = n p ( 1 - p )$ 
,where n is the number of trials,and p is the probability of success in any trial.

Quizplus · Accepted Answer

The variance of a binomial distribution is calculated using the formula $\sigma^2 = np(1-p)$, where $n$ is the number of trials and $p$ is the probability of success in each trial.

The Variance of a Binomial Distribution Is Given by the Formula