Решение задачи N4384 теория вероятностей
4384. There are 9 white and 7 black balls in the box. Two balls are taken out of the box at random. What is the probability that both balls will turn out to be white?
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
Оплата и выдача товара осуществляются через партнёрскую платформу.