Expected value

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expected value

In probability theory, the expected value of a random variable, intuitively, is the long-run average value of repetitions of the experiment it represents. For example  ‎ Definition · ‎ Properties · ‎ Uses and applications · ‎ Expectation of matrices. Anticipated value for a given investment. In statistics and probability analysis, expected value is calculated by multiplying each of the possible outcomes by the. Definition of expected value & calculating by hand and in Excel. Includes video. Find an expected value for a discrete random variable.

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How to find an Expected Value In the bottom row, put your odds of winning or losing. Theme Horse Powered by: If you prefer an online interactive environment to learn R and statistics, this free R Tutorial by Datacamp is a great way to get started. The expected value of a measurable function of Xg Xgiven that X has a probability density function f xis given by the inner product of f and g:. Make a probability chart see: expected value

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