| 词汇 | expected-value |
| 释义 | expected value noun[ U ] ukus ECONOMICS, FINANCE the probable value of something, calculated as the total of all possible values multiplied by the degree of possibility that each will happen: In a lottery, people are willing to pay far more than the expected value of their winnings for the remote chance that they might hit the jackpot. Examples of expected valueexpected value Therefore, the expectedvalue of following a certain religion could be negative. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. With the expansion in hand, find the expectedvalue. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The reason is that lottery tickets cost more than the expected gain, so one maximizing expectedvalue should not buy lottery tickets. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Following is an analysis of the expectedvalue of one round. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The expectedvalue is the mean of the distribution of expected outcomes. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The current market prices are interpreted as predictions of the probability of the event or the expectedvalue of the parameter. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Many other distributions for which the expectedvalue does exist also do not have a finite variance because the integral in the variance definition diverges. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The interviewer's objective is to maximize the expectedvalue of the selected applicant. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The expectedvalue, being the mean of the entire population, is typically unobservable, and hence the statistical error can not be observed either. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The average payoff of the gamble, known as its expectedvalue, is $50. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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