Bayes' theorem

Bayes' theorem
noun Etymology: Thomas Bayes died 1761 English mathematician Date: 1865 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

New Collegiate Dictionary. 2001.

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  • Bayes' theorem — /beɪz ˈθɪərəm/ (say bayz thearruhm) noun Statistics a method of measuring the degree of belief that can be attached to a proposition, based on the relevance of ascertainable facts. Also, Bayes law. {named posthumously after Thomas Bayes, 1701–61 …  

  • Bayes' theorem — noun Statistics a theorem expressing the conditional probability of each of a set of possible causes for a given observed outcome in terms of the known probability of each cause and the conditional probability of the outcome of each cause.… …   English new terms dictionary

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