Question: can you please help me with this? We interested in estimation of the population mean. Let X1, . . . , X9 be a random

can you please help me with this? We interested in estimation

can you please help me with this?

We interested in estimation of the population mean. Let X1, . . . , X9 be a random sample from a population with mean A\" and variance 0,2 . Consider the following estimators for estimating the population mean: A 3X1-2X2+X3 p=fa Compute the expectation and variance of this estimator. O 7 EU?) =u . Varm) = gal O Non of them 0 7 EU?)=# , Var@)= 502

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