Решение задачи N2840 теория вероятностей
2840. There are 14 people in the group, 4 of whom are not successful. Five people are called up at once on the list. Find the probability that 2 of them will be unsuccessful.
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
Оплата и выдача товара осуществляются через партнёрскую платформу.