Bayes' theorem

noun
\ ˈbāz- How to pronounce Bayes' theorem (audio) \
variants: or less commonly Bayes theorem or less commonly Bayes's theorem

Definition of Bayes' theorem

: a theorem about conditional probabilities: the probability that an event A occurs given that another event B has already occurred is equal to the probability that the event B occurs given that A has already occurred multiplied by the probability of occurrence of event A and divided by the probability of occurrence of event B

First Known Use of Bayes' theorem

1830, in the meaning defined above

History and Etymology for Bayes' theorem

Thomas Bayes †1761 English mathematician

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The first known use of Bayes' theorem was in 1830

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Dictionary Entries Near Bayes' theorem

Bayer process

Bayes' theorem

Bayesian

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Statistics for Bayes' theorem

Cite this Entry

“Bayes' theorem.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Bayes%27%20theorem. Accessed 29 Jul. 2021.

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