# Formula expected value

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Expectation Value. The expectation value of a function f(x) in a variable x is denoted or E{f(x)}. For a single discrete variable, it is defined by. Your browser does not currently recognize any of the video formats available. Click here to visit our frequently. Anticipated value for a given investment. In statistics and probability analysis, expected value is calculated by multiplying each of the possible outcomes by the.

### Formula expected value - bekommst nämlich

The law of large numbers demonstrates under fairly mild conditions that, as the size of the sample gets larger, the variance of this estimate gets smaller. In classical mechanics , the center of mass is an analogous concept to expectation. Without making the tables, it gets confusing. This formula makes an interesting appearance in the St. It may help to make a table of probabilities, as follows: This relationship can be used to translate properties of expected values into properties of probabilities, e.