| 单词 | mathematical expectation |
| 释义 | mathematical expectationnounMathematics. 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. Also called expectation, expected value. Origin of mathematical expectationFirst recorded in 1830–40 Words nearby mathematical expectationmate's rates, matey, mat grass, math, mathematical, mathematical expectation, mathematical induction, mathematical logic, mathematical probability, mathematician, mathematics Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for mathematical expectationmathematical expectation nounstatistics 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 |
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