Решение задачи N4559 теория вероятностей
4559. There are 4 white and 8 red balls in the urn. Find the probability that the ball drawn from the urn at random turns out to be: 1) white, 2) red.
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
Оплата и выдача товара осуществляются через партнёрскую платформу.