Решение задачи N4779 теория вероятностей
4779. Among 40 products 8 are standard. At the same time take at random 3 products. Find the probability that at least one of them is non-standard.
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
Оплата и выдача товара осуществляются через партнёрскую платформу.