The mean and variance of a random variable X are 4 & 2 respectively, t – InterviewSolution

1.	The mean and variance of a random variable X are 4 & 2 respectively, then P(x = 1) is (a) 1/32(b) 1/16(c) 1/8(d) 1/4
Answer» Answer is (b) 1/16

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