Find the Standard Deviation $\sigma$ , for the Binomial Distribution with N=38 and with

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) $\sigma = 0.61$