能否解释全概率公式,以及conditional expected values,这里考点不明白是什么
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Probability, expected value and variance练习
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No.PZ2017092702000066 (选择题)
来源: 原版书
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:
您的回答, 正确答案是: C
A
the addition rule.
B
不正确conditional expected values.
C
the total probability rule for expected value.
数据统计(全部)
做对次数: 2015
做错次数: 1286
正确率: 61.04%
数据统计(个人)
做对次数: 0
做错次数: 1
正确率: 0.00%
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.
本题涉及如果未来只有破产和不破产这两种情况下,如何计算公司的expected value。那么全概率公式来解决就即可