Решение задачи N4484 теория вероятностей
4484. There are 15 yellow and 5 white balls in the urn. Two balls are taken out of the urn at random. Find the probability that both will be yellow.
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
Оплата и выдача товара осуществляются через партнёрскую платформу.