Find the Standard Deviation, ?, for the Binomial Distribution Which $\sigma = 6.52$

Multiple Choice

Find the standard deviation, ?, for the binomial distribution which has the stated values of n and p. Round your answer to the nearest hundredth.
-n = 36; p = .2

A) $\sigma = 6.52$
B) $\sigma = - 0.01$
C) $\boldsymbol { \sigma } = 5.67$
D) $\boldsymbol { \sigma } = 2.40$