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. In probability theory, the expected value (EV) of a random variable is the weighted average of all possible values a random variable can take. Definition of expected value (EV): Statistical concept aimed at helping executives make better decisions under conditions of uncertainty. It focuses on evaluation. The probability is a little different this time, because there are only two outcomes - we win at showdown, or lose. In general, the expected value operator is not multiplicative, i. Sie haben neun der 52 Karten im Deck gesehen. Scenario analysis is one technique for calculating the EV of an investment opportunity. How to calculate Expected Value Get to grips with a basic Expected Value formula Learn how to work out whether you should make a bet or not.