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【判断题】
假设检验的思路是:先对总体的参数(或分布形式)提出某种假设,然后利用样本信息判断假设是否成立的过程; 逻辑上运用反证法,统计上依据小概率原理A.
正确
B.
错误
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【简答题】甲公司向乙公司订购奶粉一批。乙公司在订立合同时，将国产奶粉谎称为进口奶粉。甲公司事后得知实情，适逢国产奶粉畅销。甲公司有意履行合同，乙公司则希望将这批货物以更高价格售与他人。下面说法正确的是（ ）。
【单选题】Passage 4 Questions 16 to 20 are based on the following passage: Though some people have suggested that women should return to housework in order to leave more jobs for men, the idea has been rejected...
A.
all of them are employed in unsuitable types of work
B.
most skilled male workers are now unemployed
C.
their participation in work has a bad influence on the economic development
D.
nowadays no one can take care of children except women
【简答题】Passage Four:Questions 36 to 40 are based on the following passage.There seems never to have been a civilization without toys, but when and how they developed is unknown. They probably came about just...
【简答题】动态路由协议包括()，()和()。
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