Решение задачи N3089 теория вероятностей
3089. Of the 20 lottery tickets, two winners. Find the probability among 4 tickets taken at random: a) 1 winning; b) at least one winning.
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
Оплата и выдача товара осуществляются через партнёрскую платформу.