标题: Reading 8: Probability Concepts-LOS i 习题精选 [打印本页]
作者: 1215 时间: 2011-3-1 15:25 标题: [2011]Session 2-Reading 8: Probability Concepts-LOS i 习题精选
Session 2: Quantitative Methods: Basic Concepts
Reading 8: Probability Concepts
LOS i: Explain the use of conditional expectation in investment applications.
An analyst announces that an increase in the discount rate next quarter will double her earnings forecast for a firm. This is an example of a:
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A) |
conditional expectation. | |
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B) |
use of Bayes' formula. | |
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This is a conditional expectation. The analyst indicates how an expected value will change given another event.
作者: 1215 时间: 2011-3-1 15:25
A conditional expectation involves:
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A) |
refining a forecast because of the occurrence of some other event. | |
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B) |
calculating the conditional variance. | |
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C) |
determining the expected joint probability. | |
Conditional expected values are contingent upon the occurrence of some other event. The expectation changes as new information is revealed.
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