Решение задачи N3793 теория вероятностей полная вероятн

3793. The kit consists of 16 parts of plant number 1, 12 parts of plant number 2 and 22 parts of plant number 3. The probabilities that a part of low quality is 0.08 for the first plant, 0.06 for the second plant and 0.1 for the third. Find the probability that a piece taken out of the kit at random will be of high quality.

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