Решение задачи N4086 теория вероятностей Байеса

4086. 80% of refrigerators are produced in defense enterprises and 20% in civilian ones. The marriage of defense plants is 5%, civil - 12%. A purchased fridge has a marriage. What is the probability that it was produced at a defense plant?

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