Решение задачи N3810 теория вероятностей полная вероятн

3810. The conveyor receives parts from two CNC machines. The performance of the first machine is 2 times the performance of the second. The probability of marriage on the first machine 0.01, on the second machine 0.02. Find the probability that a piece taken at random is standard.

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