Question: 3. Let X] , . . . ,X be a sample from a normal n, {:52 population. Determine the max: imum likelihood estimator ofo'2 1when

3. Let X] , . . . ,X be a sample from a normal n, {:52 population. Determine the max: imum likelihood estimator ofo'2 1when p. is known. What is the expected value of this estimator

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