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【判断题】
卡方分布可以看成是正态分布的函数的分布A.
正确
B.
错误
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参考解析：
知识点：
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【单选题】As the Nikkei’s latest nightmare suggests, making the transition to an economy in which government ____ less and the market counts for more will not be fun.
A.
encroaches
B.
invades
C.
intrudes
D.
infringes
【简答题】阅读理解。 It's a nightmare for Huazhong University of Science and Technology (HUST): within a week, two students committed suicide by jumping off dorm buildings. Officials from the university are reluctan...
【简答题】阅读理解。 A Battery's Nightmare Portable electronics that can be carried about easily are only as good as their batteries (电池) and, let's face it, batteries aren't very good, especially when compared with...
【单选题】Where to Find Money for College Paying for college has become a national nightmare. With four years' education at many good private schools costing over $100,000, parents are ready to break out. No wa...
A.
Y
B.
N
C.
NG
【简答题】已知函数f(x)= 则该函数的定义域是
【简答题】It’s a delicate（棘手的）time — if not every parent’s worst nightmare — when a child enters adolescence. Not only are their bodies __ _ physically , but hormones (荷尔蒙) are spreading violently and bad moo...
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