Решение задачи N4532 теория вероятностей
4532. The urn contains 12 balls: 4 white and 8 black. Take out 3 balls at random. What is the probability that among the balls taken out, all 3 are black?
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
Оплата и выдача товара осуществляются через партнёрскую платформу.