The mean and the variance of binomial distribution are 4 and 2 respectively. Then the probability of 2 successes is

The mean and the variance of binomial distribution are 4 and 2 respect

1.	The mean and the variance of binomial distribution are 4 and 2 respectively. Then the probability of 2 successes is
A.	\[\frac{28}{256}\]
B.	\[\frac{219}{256}\]
C.	\[\frac{128}{256}\]
D.	\[\frac{37}{256}\]
Answer» B. \[\frac{219}{256}\]

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The mean and the variance of binomial distribution are 4 and 2 respectively. Then the probability of 2 successes is

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