#### Question

In a binomial distribution, if *n* = 20 and *q* = 0.75, then write its mean.

#### Solution

*n*= 20 , *q* =0.75

\[\Rightarrow p = 1 - q = 0 . 25\]

\[\text{ Mean = np } = 20(0 . 25) = 5\]

\[\text{ Thus, mean } = 5\]

Is there an error in this question or solution?

Solution In a Binomial Distribution, If N = 20 and Q = 0.75, Then Write Its Mean. Concept: Bernoulli Trials and Binomial Distribution.