Решение задачи N3307 теория вероятностей
3307. There are 20 tickets, of which 8 are winning. Find the probability that out of 2 tickets drawn out, 1 will be winning.
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
Оплата и выдача товара осуществляются через партнёрскую платформу.