Решение задачи N3804 теория вероятностей Байеса

3804. The assembly shop of the plant receives 40% of the parts from the first shop and 60% from the second shop. In the first workshop, 90% of standard parts are produced, and in the second - 95%. What is the probability that the standard part taken by the assembler is made by the second workshop at random?

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