# expected value

- Statistics, Mathematics. mathematical expectation.

## Origin of expected value^{}

First recorded in 1945–50

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# expected value

- statistics 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 constantAlso called: mathematical expectation

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