作者alanfirst ()
看板Statistics
標題[問題] 檢定問題
時間Mon Apr 3 22:42:21 2006
3. Suppose we plan to select a random sample from a normal distribution
known to have a standard deviation of 8. We know that the population mean is
either 42 or 50, and we wish to test Ho:u=42 against H1=50 determine the sample
size n and a critical region such that α=0.05 and B=0.1
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