Решение задачи N4995 теория вероятностей
4995. There are 18 parts in the box, 9 of them are painted and 9 are unpainted. Find the probability that among the five parts extracted by luck there are at least four painted ones.
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
Оплата и выдача товара осуществляются через партнёрскую платформу.