Решение задачи N3751 теория вероятностей полная вероятн

3751. From the first machine to the assembly comes 45%, from the second - 55% of all parts. Among the parts of the first machine 90% standard, the second - 80%. Then the probability that an item taken at random is nonstandard is equal to ...

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