NO.PZ2017092702000066
问题如下：
Which of the following best describes how an analyst would estimate the expected value of a firm under the scenarios of bankruptcy and survivorship? The analyst would use:
选项：
A.the addition rule.
B.conditional expected values.
C.the total probability rule for expected value.
解释：
C is correct.
The total probability rule for expected value is used to estimate an expected value based on mutually exclusive and exhaustive scenarios.
我记得有道题是根据下一年市场好/坏/均衡，来算预期的点位。用的就是加法法则。这道题是预期的破产/继续运行，两种概率，为什么就不能用加法法则了呢老师？
