Решение задачи N4332 теория вероятностей
4332. In the box are 7 white and 5 black balls. One ball is taken out of the box 2 times, without returning them back. Find the likelihood that the first was extracted a white ball, and the second - black?
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
Оплата и выдача товара осуществляются через партнёрскую платформу.