Решение задачи N4887 теория вероятностей
4887. The box contains 20 parts, of which 7 are standard. Find the probability that among 5 randomly extracted parts there is at least 1 standard part.
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
Оплата и выдача товара осуществляются через партнёрскую платформу.