Решение задачи N4499 теория вероятностей
4499. There are 10 white, 15 blue and 25 red balls in the urn. Find the probability that a) 2 balls taken at random will turn out to be white and blue; b) 3 balls taken at random will be all different.
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
Оплата и выдача товара осуществляются через партнёрскую платформу.