Решение задачи N2838 теория вероятностей
2838. There are 12 people in the group, 4 of whom are unsuccessful. Five people are called up at once on the list. Find the probability that two 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.