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ciaoyy · 2018年04月04日

问一道题:NO.PZ2015120604000131 [ CFA I ]

问题如下图:

    

选项:

A.

B.

C.

解释:


B正确的话,不需要强调是正态分布的情况吗?

1 个答案
已采纳答案

源_品职助教 · 2018年04月05日

选项中说Z-critical values,这句话是对应Z分布的,Z分布就是正太分布的意思哈,而且是标准化后的正态分布。

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