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What are the mean and variance of the binomial distribution with $n$ number of trials and $P$ probability of success?

A

Mean: $nP$

Variance: $n(P)(1-P)$

B

Mean: $P$

Variance: $\cfrac{ n(P) } { (1-P)}$

C

Mean: $P$

Variance:$\cfrac{ (P)}{[\sqrt{n}]}$

D

Mean: $ nP$

Variance: $\cfrac{(\sigma)}{[\sqrt{n}]}$

E

Mean: $\mu$

Variance: $\sqrt{(n)(P)(1-P)}$

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