Решение задачи N3296 теория вероятностей
3296. In the urn there are 4 black, 7 red, 9 green and 11 blue balls. From there, took one ball. Find the probability of a colored ball (not black).
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
Оплата и выдача товара осуществляются через партнёрскую платформу.