Решение задачи N4372 теория вероятностей
4372. The box contains 5 black and 2 red balls. Take out 2 balls at random. Find the probability that the following are taken out: a) two black balls; b) two red balls; c) balls of different colors.
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
Оплата и выдача товара осуществляются через партнёрскую платформу.