conditional probability


Definition of conditional probability

: the probability that a given event will occur if it is certain that another event has taken place or will take place

Examples of conditional probability in a Sentence

Recent Examples on the Web To calculate the probability of the outcome resulting from any particular branch (a conditional probability), the probabilities of the sequence of events are multiplied. New York Times, 13 May 2020 Doyle believes the humpback whales have conditional probabilities in their language. Brian Resnick, Vox, 6 Dec. 2018 The conditional probability wasn’t specified in Mr. Suva’s research note. Justin Lahart, WSJ, 10 Mar. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'conditional probability.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of conditional probability

1937, in the meaning defined above

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Time Traveler for conditional probability

Time Traveler

The first known use of conditional probability was in 1937

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Dictionary Entries Near conditional probability


conditional probability

conditional receipt

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Cite this Entry

“Conditional probability.” Dictionary, Merriam-Webster, Accessed 21 May. 2022.

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