3. Let X, X,..., Xn be a sequence of random variables, with E(X) = 7 and...

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3. Let X, X,..., Xn be a sequence of random variables, with E(X) = 7 and Var (X): 1/(n/2) for each n. Prove or disprove that {Xn} must converge to 7 with probability 1 if a > 2. 3. Let X, X,..., Xn be a sequence of random variables, with E(X) = 7 and Var (X): 1/(n/2) for each n. Prove or disprove that {Xn} must converge to 7 with probability 1 if a > 2.