Решение задачи N3702 теория вероятностей полная вероятн

3702. Two automatic machines produce the parts entering the assembly shop. The probability of getting a marriage on the first machine 0.09 on the second 0.04. The performance of the second machine is twice the performance of the first. Find the probability that a piece taken at random will be defective.

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