expected value

Statistics, Mathematics, mathematical expectation.


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World English Dictionary
expected value
statistics Also called: mathematical expectation the sum or integral of all possible values of a random variable, or any given function of it, multiplied by the respective probabilities of the values of the variable. Symbol: E(X). E(X) is the mean of the distribution; E(X--c) = E(X)--c where c is a constant

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Example sentences
The first is the sum of salary, bonus, restricted stock and the expected value of stock options.
So the question is what the expected value of a get-tough approach is likely to be.
As good dates leave the market, they once again decrease the expected value of dating a self-advertised good type.
The approximate expected value is obtained by a bootstrap resampling method.
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