Question: 9.1 Suppose X1, X2, X3 denotes a random sample from the exponential distribution with density function Consider the following four estimators of : a Which

9.1 Suppose X1, X2, X3 denotes a random sample from the exponential distribution with density function Consider the following four estimators of :

a Which of the above estimators are unbiased for ?

b Among the unbiased estimators of , which has the smallest variance?

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