Решение задачи N4548 теория вероятностей
4548. From the urn, in which there are 10 black and 15 white balls, one ball is taken out at random. What is the probability that the ball taken out turns out to be black?
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
Оплата и выдача товара осуществляются через партнёрскую платформу.