Bayes' theorem

play
noun \ˈbāz-\
variants: or less commonly

Bayes theorem

or less commonly

Bayes's theorem

Definition of Bayes' theorem

  1. :  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

Origin and Etymology of bayes' theorem

Thomas Bayes †1761 English mathematician


First Known Use: 1830


Seen and Heard

What made you want to look up Bayes' theorem? Please tell us where you read or heard it (including the quote, if possible).