Question: Let X be a random variable with density f(x)=1/2 for 1 x 1 and f(x)=0 otherwise. Find: (i) E(X). (ii) E(X2). (iii) E(2X

Let X be a random variable with density f(x)=1/2 for −1 ≤ x ≤ 1 and f(x)=0 otherwise. Find: (i) E(X). (ii) E(X2). (iii) E(2X − 3)2.

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