Решение задачи N3740 теория вероятностей Байеса

3740. From the first machine comes to the assembly 80%, from the second - 20% of the same parts. On the first machine, the defect is 1%, on the second - 3%. Proven detail was defective. Find the probability that it is made on the second machine.

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