Решение задачи N1730 теория вероятностей Лапласа

1730. It is known that 3/5 of the quantity of shoes manufactured by the factory is valued as 1st-grade products. It is necessary to determine the likelihood that among 200 pairs of manufactured footwear there will be 140 pairs of 1st grade.

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