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Question 3 Let X1 and X2 be independent random variables with mean u and variance 02. Suppose that we have two estimators of p: X1+X2

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Question 3 Let X1 and X2 be independent random variables with mean u and variance 02. Suppose that we have two estimators of p: X1+X2 2 A A x +3X 01: and02= 1 2 (a) Are both estimators unbiased estimators of n? (b) What is the variance of each estimator? Him: Law ofexpected vaiues

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