Решение задачи N2914 теория вероятностей
2914. In the urn 7 white and 4 black balls. At random, 3 balls are extracted from the urn. Find the probability that all the balls will be black.
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
Оплата и выдача товара осуществляются через партнёрскую платформу.