Решение задачи N3790 теория вероятностей полная вероятн

3790. In the box there are 6 parts belonging to workshop No. 1, 4 details — workshop No. 2 and 5 details — workshop No. 3. The probability that the part will be defective for workshop No. 1 is 0.1, for workshop No. 2 - 0 , 2, and shop number 3 produces 10% of the marriage. At random, the Quality Control Department selects the part to be checked, find the probability that it will be standard.

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