The expected value is the mean of the possible values a random variable can take, weighted by the probability of those outcomes.
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Expected value
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In probability theory, the expected value is a generalization of the weighted average. Informally, the expected value is the mean of the possible values a random variable can take, weighted by the probability of those outcomes. Wikipedia
The basic expected value formula is the probability of an event multiplied by the amount of times the event happens: (P(x) * n).
In quantum mechanics, the expectation value is the probabilistic expected value of the result (measurement) of an experiment.
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Posted: May 30, 2020
Posted: May 30, 2020
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Posted: Aug 6, 2016
Posted: Aug 6, 2016
The expected value is defined as the weighted average of the values in the range. Expected value (= mean=average):
Oct 22, 2024 · Expected value, in general, the value that is most likely the result of the next repeated trial of a statistical experiment.
Nov 29, 2021 · The expected value is specifically the mean of a random variable. It doesn't apply to mean in other contexts.
The expected value is a weighted average of the possible realizations of the random variable (the possible outcomes of the game). Each realization is weighted ...