Question: 8.4.4 Let X be a random variable with density f(z) = 1/2 for -1 5 z 5 1 and f(x) = 0 otherwise. Find: (i)

8.4.4 Let X be a random variable with density f(z) = 1/2 for -1 5 z 5 1 and f(x) = 0 otherwise. Find: (i) E ( X ) . (ii) E ( X 2 ) . (iii) E(2X - 3)2.

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