Решение задачи N4419 теория вероятностей
4419. There are 24 balls in the urn, 18 of them are red and 6 are black. Two balls were taken at random. Find the probability that both balls are black.
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
Оплата и выдача товара осуществляются через партнёрскую платформу.