Expected value
From Maths
Revision as of 23:42, 29 April 2015 by Alec (Talk | contribs) (Created page with "==Definition== Given a random variable {{M|X}} we define the '''expected value''' of {{M|X}} as: * <math>\mathbb{E}[X]=\sum x\mathbb{P}[X=x]</math> {{Todo...")
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
