Решение задачи N2930 теория вероятностей
2930. In the urn there are 5 white and 15 black. At random we take out 3 balls. Find the probability that all the balls of one will be color.
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
Оплата и выдача товара осуществляются через партнёрскую платформу.