Решение задачи N3746 теория вероятностей Байеса

3746. From the first machine to assembly receives 60%, from the second - 40% of all parts. Among the parts of the first machine 70% of the standard, the second - 60%. Taken at random item was standard. Then the probability that it is made on the second machine is equal to ...

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