Решение задачи N4592 теория вероятностей
4592. There are 40 black and 160 white balls in the urn. One ball is taken out of it at random. Determine the probability that this ball will be black.
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
Оплата и выдача товара осуществляются через партнёрскую платформу.