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daihannah · 2018年08月29日

问一道题:NO.PZ2015120604000073 [ CFA I ]

问题如下图:

    

选项:

A.

B.

C.

解释:

B的解释不应该是股票市场表现poor的情况下,明天可能会好的概率吗?不应该是0.2/0.4吗?


1 个答案

菲菲_品职助教 · 2018年08月29日

同学你好,你这边对于表格的理解可能有一点偏差。表格中最后一列最下面的框框里第二天市场业绩表现好的概率是0.2就已经是基于今天市场表现不好的条件下的概率了,也就是B选项描述的情况。

酣然大笑 · 2018年11月03日

老师,那这道题其实不用计算,直接选答案就可以了吗?

菲菲_品职助教 · 2018年11月05日

是的没错。

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2023-02-07 07:24 2 · 回答

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2023-02-05 23:06 1 · 回答

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2022-11-12 10:13 1 · 回答

老师可以写一下具体计算过程吗?

2020-11-10 17:47 1 · 回答

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2019-09-03 00:26 1 · 回答