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DescriptionBayes theorem simple example tree.svg
English: Tree diagram illustrating "Simple example" for Bayes' theorem. R is the event that a beetle is rare. C is the event that a beetle is common. P is the event that a beetle has the pattern on its back. P bar is the event that a beetle does not have the pattern on its back. Percentages not shown in parentheses are given in the problem definition. Percentages shown in parentheses are calculated.
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