Bayes' theorem

noun
\ ˈbāz- \
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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Dictionary Entries near Bayes' theorem

Bayer 205

bayerite

Bayer process

Bayes' theorem

Bayesian

bayeta

Bayeux

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The first known use of Bayes' theorem was in 1830

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occurring twice a year or every two years

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