Решение задачи N4917 теория вероятностей
4917. Among the 20 parts, 5 are non-standard. Find the probability that among three randomly selected parts there is at least one non-standard one.
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
Оплата и выдача товара осуществляются через партнёрскую платформу.