Решение задачи N4520 теория вероятностей
4520. From the urn, in which there are 8 blue balls and 11 red balls, 3 is chosen at random. What is the probability that there is at least one red among them?
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
Оплата и выдача товара осуществляются через партнёрскую платформу.