Question: Assume that X1, X2,... is a sequential sample from a N(0, 1) density, that it is desired to estimate under squared-error decision loss, and that

Assume that X1, X2,... is a sequential sample from a N(0, 1) density, that it is desired to estimate under squared-error decision loss, and that the cost of a fixed sample of size n is C(n) n(0.01). If 8 has a (1,4) prior distribution, find the optimal fixed sample size rule and its Bayes risk.

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