Решение задачи N3330 теория вероятностей
3330. In the lottery involved 30 tickets, including 3 winners. Bought 4 tickets. Find the probability that at least one of the tickets purchased is winning.
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
Оплата и выдача товара осуществляются через партнёрскую платформу.