Решение задачи N3142 теория вероятностей
3142. In the box are 3 blue, 6 red and 7 green pencils. At the same time remove 12 pencils. Find the probability that among them will be 2 blue and 4 red.
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
Оплата и выдача товара осуществляются через партнёрскую платформу.