Решение задачи N4607 теория вероятностей
4607. One ball is drawn at random from a box containing 2 black and 5 white balls. What is the probability that a) a black ball is drawn, b) a white ball is drawn?
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
Оплата и выдача товара осуществляются через партнёрскую платформу.