Решение задачи N4576 теория вероятностей
4576. The urn contains 5 white, 7 red and 4 black balls. One ball was accidentally taken out of the urn. What is the probability that the ball taken out is red?
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
Оплата и выдача товара осуществляются через партнёрскую платформу.