Solving problem N3924 Bayesian probability theory

Solving problem N3924 Bayesian probability theory

3924. Two factories produce the same products, with the first producing 70% and the second 30%. Marriage of the first is 3%, the second is 12%. The sample taken at random turned out to be defective. What is the probability that it is made at the second plant?

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Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)

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