http://file://localhost/Users/wangrui/Library/Caches/TemporaryItems/msoclip/0/clip_image014.gif
8、設(shè)總體http://file://localhost/Users/wangrui/Library/Caches/TemporaryItems/msoclip/0/clip_image068.gif,http://file://localhost/Users/wangrui/Library/Caches/TemporaryItems/msoclip/0/clip_image070.gif未知,http://file://localhost/Users/wangrui/Library/Caches/TemporaryItems/msoclip/0/clip_image072.gif為樣本,http://file://localhost/Users/wangrui/Library/Caches/TemporaryItems/msoclip/0/clip_image074.gif為修正樣本方差,則檢驗(yàn)問題:http://file://localhost/Users/wangrui/Library/Caches/TemporaryItems/msoclip/0/clip_image076.gif,http://file://localhost/Users/wangrui/Library/Caches/TemporaryItems/msoclip/0/clip_image078.gif(http://file://localhost/Users/wangrui/Library/Caches/TemporaryItems/msoclip/0/clip_image080.gif已知)的檢驗(yàn)統(tǒng)計(jì)量為( ).
(A)http://file://localhost/Users/wangrui/Library/Caches/TemporaryItems/msoclip/0/clip_image082.gif (B)http://file://localhost/Users/wangrui/Library/Caches/TemporaryItems/msoclip/0/clip_image084.gif (C)http://file://localhost/Users/wangrui/Library/Caches/TemporaryItems/msoclip/0/clip_image086.gif (D)http://file://localhost/Users/wangrui/Library/Caches/TemporaryItems/msoclip/0/clip_image088.gif.
二、填空題(6小題,每小題5分,共30分)。
4、構(gòu)造置信區(qū)間的樞軸量法的具體步驟是什么?
1、已知男人中有5%是色盲患者,女人中有0.25%是色盲患者。今從男女人數(shù)相等的人群中隨機(jī)地挑選一人,恰好是色盲患者,問此人是男性的概率是多少?
http://file://localhost/Users/wangrui/Library/Caches/TemporaryItems/msoclip/0/clip_image131.gifX
-1
0
1
http://file://localhost/Users/wangrui/Library/Caches/TemporaryItems/msoclip/0/clip_image133.gif
http://file://localhost/Users/wangrui/Library/Caches/TemporaryItems/msoclip/0/clip_image135.gif
http://file://localhost/Users/wangrui/Library/Caches/TemporaryItems/msoclip/0/clip_image137.gif
http://file://localhost/Users/wangrui/Library/Caches/TemporaryItems/msoclip/0/clip_image139.gif
http://file://localhost/Users/wangrui/Library/Caches/TemporaryItems/msoclip/0/clip_image141.gif
http://file://localhost/Users/wangrui/Library/Caches/TemporaryItems/msoclip/0/clip_image143.gif
http://file://localhost/Users/wangrui/Library/Caches/TemporaryItems/msoclip/0/clip_image145.gif
http://file://localhost/Users/wangrui/Library/Caches/TemporaryItems/msoclip/0/clip_image147.gif
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