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View synonyms for expected value

expected value

noun

  1. Statistics, Mathematics. mathematical expectation.


expected value

noun

  1. statistics the sum or integral of all possible values of a random variable, or any given function of it, multiplied by the respective probabilities of the values of the variable. Symbol: E ( X ). E ( X ) is the mean of the distribution; E ( X–c ) = E ( X )– c where c is a constant Also calledmathematical expectation
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012


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Word History and Origins

Origin of expected value1

First recorded in 1945–50
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Example Sentences

In some sense, then, the expected value of your insurance premium is negative.

While the number of lawsuits might fall, the expected value of lawsuits would rise dramatically.

This can decrease the expected value of crime, without wasting an entire human life behind bars.

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expected utilityexpecting