Решение задачи N4977 теория вероятностей
4977. There are 10 parts in a box, 7 of which are painted. Pickers randomly extract three parts. What is the probability that there will be only one painted part among them?
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
Оплата и выдача товара осуществляются через партнёрскую платформу.