Решение задачи N3150 теория вероятностей
3150. In the box are 7 blue pencils and 3 red. What is the probability that, of the four randomly chosen pencils, 2 will be blue and 2 red?
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
Оплата и выдача товара осуществляются через партнёрскую платформу.