Find the Standard Deviation $\sigma$ , for the Binomial Distribution With $n = 38$

Multiple Choice

Find the standard deviation, $\sigma$ , for the binomial distribution with $n = 38$ and $p = 0.4$ .

A) $\sigma = 7.14$
B) $\sigma = 6.29$
C) $\sigma = 3.02$
D) $\sigma = 0.61$