Find the Standard Deviation of the Binomial Random Variable

question 6

Multiple Choice

Find the standard deviation of the binomial random variable.
-A die is rolled 17 times and the number of twos that come up is tallied. If this experiment is repeated many times, find the standard deviation for the random variable X, the number of twos.

• A)1.543
• B)2.06
• C)1.537
• D)1.491