题目
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.
答案
C
解析
： C is correct. The total probability rule for expected value is used to estimate an expected value based on mutually exclusive and exhaustive scenarios. ： C正确。 期望值的总概率规则用于基于互斥和遍历事件估计期望值。