Решение задачи N4996 теория вероятностей
4996. There are 11 parts in a box, 4 of which are painted. The assembler draws 3 pieces at random. Find the probability that at least one of the three parts is painted.
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
Оплата и выдача товара осуществляются через партнёрскую платформу.