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The probability function of a random var...

The probability function of a random variable X is given by P(X = k ) = `ck^(2)`, where c is a constant and k `in {0,1,2,3,4 }`, If `sigma^(2)` is the variance of X and `mu` is the mean of X, then `singma^(2) + mu^(2)` =

A

3.33

B

11.8

C

`(1)/(30)`

D

354

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The correct Answer is:
B
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