Question: Suppose that X i is a random variable for which E(X i ) = 0, i = 1, 2,..., n. Under what conditions

Suppose that Xi is a random variable for which E(Xi) = μ ≠ 0, i = 1, 2,..., n. Under what conditions will the following be true?

n E (X; \i=1

n E (X; \i=1

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