# mathematical expectation

- Mathematics. the product of the probability of the occurrence of an event and the value associated with the occurrence of a given event.
- Statistics. the summation or integration, over all values of a variate, of the product of the variate and its probability or its probability density.

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## Origin of mathematical expectation^{}

First recorded in 1830–40

Also called expectation, expected value.

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Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

## mathematical expectation

- statistics another name for expected value

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