Решение задачи N4480 теория вероятностей
4480. Two balls are taken out at random from an urn containing 7 white and 9 black balls. What is the probability that the balls taken out will be 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.