The mean and variance of a random variable X having a binomial distribution are 4 and 2 respectively, then \[P(X=1)\] is [AIEEE 2003]

The mean and variance of a random variable X having a binomial distrib

1.	The mean and variance of a random variable X having a binomial distribution are 4 and 2 respectively, then \[P(X=1)\] is [AIEEE 2003]
A.	1/32
B.	1/16
C.	1/8
D.	¼
Answer» B. 1/16

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The mean and variance of a random variable X having a binomial distribution are 4 and 2 respectively, then \[P(X=1)\] is [AIEEE 2003]

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