Решение задачи N3258 теория вероятностей
3258. There are 21 balls in the basket, among which 6 are white, 7 are black and 8 are red. Randomly extracted 7 balls. Find the probability that 1 is white, 5 is black and 1 is red.
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
Оплата и выдача товара осуществляются через партнёрскую платформу.