問題詳情
18. To assess the accuracy of a laboratory scale, a standard weight that is known to weigh 1 gram isrepeatedly weighed a total of n times and the mean
of the weighings is computed.Suppose the scale readings are normally distributed with unknown mean and standarddeviation =0.01 g. How large should : be so that a 95% confidence interval for has amargin of error of±0.0001?
(A) 100
(B)196
(C)10000
(D) 38416
參考答案
答案：[無官方正解]
難度：計算中-1
書單：沒有書單，新增