統計學 96關稅會統 - 考試
By Anthony
at 2013-05-30T21:39
at 2013-05-30T21:39
Table of Contents
某教授對學生進行測驗,共有四題是非題,為判斷學生是否為猜測,於是他利用下列
決策法則:如果有三題或以上做對,則認為學生不是猜的,問此教授所用的決策法則,
所犯的型一誤差機率為多少?
想法:
H0: 學生是用猜的 p=1/2
H1: 學生不是用猜的 P=! 1/2
拒絕域 = 學生答對三題以上
alfa = P[ 拒絕HO | H0為真 ] = P(錯一題) + P(錯0題) = 5/16
想問問各位怎麼想... 我覺得我的虛無跟對立假設好像怪怪的,我記得是後果嚴重的
放在H1.. THANKS!
--
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