Difference between revisions of "Expected value"
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Revision as of 23:42, 29 April 2015
Definition
Given a random variable [ilmath]X[/ilmath] we define the expected value of [ilmath]X[/ilmath] as:
- [math]\mathbb{E}[X]=\sum x\mathbb{P}[X=x][/math]
TODO: Flesh page out
