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Expected value Facts for Kids. *Kiddle Encyclopedia.*

In probability theory and statistics, the **expected value** of a random variable in an experiment is the value the variable will take, if the experiment is repeated an infinite number of times and the mean (or weighted average) of all the values is calculated. The Law of large numbers describes how this happens.

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Expected value Facts for Kids. - This page was last modified on 22 May 2020, at 08:21.