Bayes' theorem

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).


clearly seen through or understood

Get Word of the Day daily email!