Решение задачи N4263 теория вероятностей полная вероятн

4263. Two factories produce the same glass for car headlights. The first factory produces 30% of these glasses, the second - 70%. The first factory produces 3% of defective glasses, and the second - 4%. Find the likelihood that a glass accidentally purchased in a store will be defective.

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