問題詳情

6.(15%) Suppose we have a dataset x1,...,xn that may be modeled as the realization of a random sample X1, • • •, Xn from an Exp distribution, where A is unknown. LetS n = X1+••• . + Xn. Construct a 90% confidence interval for A when n = 20. (The quantiles of the Gamrna(20,1) distribution are qo.o5 = 13.25 andqo.95 — 27.88. Denote the value of the sample mean by 亍20).

參考答案

答案:D
難度:簡單0.805556
統計:A(83),B(102),C(116),D(1247),E(0) #
個人:尚未作答書單:赫爾巴特論” 四階段、赫爾巴特--興趣的分類、【赫爾巴特】論「多方面興趣」(many-sideness of interest)

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