The probability that an apple, picked at random from a sack, is bad is $0.05$. Find the standard d

Question

The probability that an apple, picked at random from a sack, is bad is $0.05$. Find the standard deviation of the number of bad apples in a sample of $15$ apples.

Accepted Answer

$0.844$.

Standard deviation involving Binomial Distribution

Standard deviation involving Binomial Distribution