Решение задачи N4986 теория вероятностей
4986. There are 15 parts in a box, 5 of them are painted. 6 items are drawn at random. Find the probability that among the parts taken, 2 are painted.
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
Оплата и выдача товара осуществляются через партнёрскую платформу.