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.
Math vs. MathsBoth math and maths are short for the word mathematics. Math is the preferred term in the United States and Canada. Maths is the preferred term in England, Australia, and most other English-speaking places.
Origin of mathematical expectation
First recorded in 1830–40
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
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