討論串[問題] 區間估計
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A quality engineer wanted to be 98% confident that the maximum error. of the estimate of the mean strength, μ, of the left hinge on a vanity. cover mo
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c(k)=k h(x)=1/(1+x) w(k)=(k+1) t(x)=ln(1+x) 為指數族. 所以Σln(1+Xi)為k之充分. 令y=ln(1+x) => x=e^y-1 => J=e^y. => f(y)=ke^(-ky),0<y. => Y~Exp(k). => ΣYi=Σln(1+Xi
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