Let f(x) = b(x+1), x = 0, 1, 2, 3 be the probability mass function (pmf)...

Let f(x) = b(x+1), x = 0, 1, 2, 3 be the probability mass function (pmf) of a random variable X, where b is constant.

A. Find the value of b

B. Find the mean μ

C. Find the variance σ^2

Solutions

Expert Solution

A. The value of b=0.1

B. The value of mean μ= 2

C.The value of variance σ^2 = 1

The detailed answer is given in the attached file. Hope this helps.

orchestra answered 1 year ago

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