Решение задачи N4523 теория вероятностей
4523. The urn contains 30 blue, 18 red balls. Take out 2 balls at random. What is the probability that both balls turn out to be blue?
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
Оплата и выдача товара осуществляются через партнёрскую платформу.