Решение задачи N4451 теория вероятностей
4451. There are 6 white and 4 black balls in the urn. From this urn, 3 balls were taken at random. What is the probability that 2 of them are white?
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
Оплата и выдача товара осуществляются через партнёрскую платформу.