题目内容

5. She hasn't decided with(她应该跟谁先签合同).

A. who she should first make contract
B. whom she should first make contract
C. which she should first make contract
D. what she should first make contract

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农业试验中常用的小概率标准为( )A. 0.05 B.0.01 C.0.1 D 0.001

A. 0.05
B.0.01
C.0.1
D 0.001

正态分布曲线的特征是什么?

小概率事件实际不可能性原理

正态分布特征

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