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Let X1, X2, ..., Xx be independent identically distributed random variables with finite expected values and variances. Choose all correct statements A. E (X1 +

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Let X1, X2, ..., Xx be independent identically distributed random variables with finite expected values and variances. Choose all correct statements A. E (X1 + X2 + . .. + Xk) = KE(X1); B. E ( X 1 . X 2 .. . . . X k ) = E(X1) k

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