Решение задачи N4267 теория вероятностей полная вероятн

4267. Two factories produce the same glass for car headlights. The first factory produces 39% of these glasses, the second - 61%. The first factory produces 4% of defective glasses, and the second - 3%. Determine the likelihood that glass accidentally purchased in a store will be defective.

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