The Expected Value of a bet shows us how much we can expect to win (on average) per bet, and as such is the most valuable calculation a bettor can make. Your browser does not currently recognize any of the video formats available. Click here to visit our frequently. Expected Value for a Discrete Random Variable. E(X)=\sum x_i p_i. x_i= value of the i th outcome p_i = probability of the i th outcome. According to this formula.
Calculating expected value Video
Expected Value: E(X)
Calculating expected value - William Hill