Bayes theoremor less commonly
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
Origin and Etymology of bayes' theorem
Thomas Bayes †1761 English mathematician
First Known Use: 1830
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