A quick introduction to expected value formulas. Expected Value Formula. Stephanie Glen. Loading. 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. By calculating expected values, investors can choose the scenario that is most likely to The expected value (EV) is an anticipated value for a given investment. Online expected value calculator. The expected value ofdenoted byis just the matrix of the expected values of the entries of: In classical mechanicsthe center of mass spam casino an analogous concept to expectation. The expected value is also known as the expectationmathematical expectationEVaveragemean valuemeanor first moment. I agree with the other post that it was hard to figure out at first, but after practicing over and over it finally came to me. Tips For situations in which there are many outcomes, you can create a computer spreadsheet to calculate the expected value from the outcomes and their probabilities.