http://file://localhost/Users/wangrui/Library/Caches/TemporaryItems/msoclip/0/clip_image014.gif
8、设总体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为样本,http://file://localhost/Users/wangrui/Library/Caches/TemporaryItems/msoclip/0/clip_image074.gif为修正样本方差,则检验问题: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)的检验统计量为( ).
(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、填空题(6小题,每小题5分,共30分)。
4、构造置信区间的枢轴量法的具体步骤是什么?
1、已知男人中有5%是色盲患者,女人中有0.25%是色盲患者。今从男女人数相等的人群中随机地挑选一人,恰好是色盲患者,问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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