Решение задачи N4082 теория вероятностей Байеса

4082. In the taxis, the number of new and old cars is 3: 5. The probability of breakage of the new machine is 0.2 and the old 0.4. The car on the line broke down. What is the probability that this car is old?

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