Решение задачи N2857 теория вероятностей
2857. In the urn 7 white, 6 red and 4 green balls. Take out at random 4 balls. What is the probability that the 3 balls will be white and one green?
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
Оплата и выдача товара осуществляются через партнёрскую платформу.