What is the mean of f(x) = 3x+2 where x ...

What is the mean of `f(x) = 3x+2` where x is a random variable with probabilty distribution

A

(a) `19/2`

B

(b) `15/2`

C

(c) `5/2`

D

(d) `5/3`

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The correct Answer is:

C

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