Solving problem N3851 Bayesian probability theory

Solving problem N3851 Bayesian probability theory

3851. 60% of parts are made by an automatic machine, giving 2% of rejects, and 40% by an automatic machine, giving 3% of rejects. Randomly taken detail was defective. What machine is most likely made this part?

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

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