Решение задачи N4325 теория вероятностей
4325. In the box were 20 balls. Of these, 12 are white and 8 are black. 2 balls are taken out at random. What is the likelihood that they are the same color?
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
Оплата и выдача товара осуществляются через партнёрскую платформу.