1.

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)= …………

Answer»

(1) 34, (2) 250, (3) 36
(1) 34, (2) 370, (3) 81
(1) 34, (2) 370, (3) 36
(1) 34, (2) 250, (3) 81

Answer :A


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