Решение задачи N4658 теория вероятностей
4658. There are 12 notebooks in a pack, seven of which are in a cage, the rest are in a line. Five notebooks are taken at random. What is the probability that among the taken notebooks there will be three in a cage?
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
Оплата и выдача товара осуществляются через партнёрскую платформу.