Решение задачи N4477 теория вероятностей
4477. There are balls in the urn: 7 white, 4 black and 9 red. Two balls are taken out at random. What is the likelihood that they will be the same color?
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
Оплата и выдача товара осуществляются через партнёрскую платформу.