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conditional probability

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noun
Statistics, Mathematics. the probability that an event will occur under the condition that another event occurs first: equal to the probability that both will occur divided by the probability that the first will occur.
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Origin of conditional probability

First recorded in 1960–65
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use conditional probability in a sentence

British Dictionary definitions for conditional probability

conditional probability

noun
statistics the probability of one event, A, occurring given that another, B, is already known to have occurred: written P (A|B) and equal to P (A and B)| P (B)
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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