how to find expectation of a function of random variable ?

Question : how to find expectation of a function of random variable ? x0123f(x)1/83/83/81/8 Find (i) E[X]        (ii) E[X^2]            (iii) E[3X-2]      (iv)  E[(X+1)^2] Solution : Fo the given probability distribution of a random variable X x0123f(x)1/83/83/81/8 we know that expectation…

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