Решение задачи N4985 теория вероятностей
4985. There are 15 parts in a box, 5 of which are painted. The assembler randomly took three parts. Find the probability that at least one part is colored.
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
Оплата и выдача товара осуществляются через партнёрскую платформу.