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Please help me with question 8. Thank you U2, Vo1+02. Consider the independent random variables X1, X2, . .., An With same mean u and

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Please help me with question 8. Thank you

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U2, Vo1+02. Consider the independent random variables X1, X2, . .., An With same mean u and vox ance of. Let n Sn = Xi n i=1 be the average of the n variables. Show that not tes E[Sn] = M, Var( Sn) = 02 n Comment on your result

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