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The mean and standard deviation of a random variable X are given by E(X) = 5 and sigma_(x)=3 respectively, then (1) E(X^(2))=……. (2) E[(3X-2)^(2)]= ………. (3) V(3-2X)= ………… |
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Answer» (1) 34, (2) 250, (3) 36 |
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