Find the Standard Deviation of the Binomial Random Variable

Multiple Choice

Find the standard deviation of the binomial random variable.
-The probability that a radish seed will germinate is 0.7. A gardener plants seeds in batches of 11. Find the standard deviation for the random variable X, the number of seeds germinating in each
Batch.

A) 1.52
B) 1.502
C) 1.432
D) 1.449