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IEVref:192-13-03ID:
Language:enStatus: Standard
Term: expectation, <of a random variable>
Synonym1: mean, <of a random variable>
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Definition: 1) for a discrete random variable X taking the values xi with the probabilities pi, the sum E(X) = ∑i pixi extended to all values xi which can be taken by X

2) for a continuous random variable X having the probability density function f(x), the value of the integral E(X) = ∫xf(x)dx


Publication date:2015-02
Source:IEC 60050-103:2009, 103-08-10
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