Mathematics. the product of the probability of the occurrence of an event and the value associated with the occurrence of a given event.
Statistics. the summation or integration, over all values of a variate, of the product of the variate and its probability or its probability density.
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Origin of mathematical expectation
First recorded in 1830–40
Words nearby mathematical expectation
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
British Dictionary definitions for mathematical expectation
statistics another name for expected value
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