Решение задачи N3281 теория вероятностей
3281. In an urn there are 20 balls of the same size, with 6 balls of white color, the others are red. At random, drawn 7 balls. Find the probability that among the drawn balls there will be 5 white.
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
Оплата и выдача товара осуществляются через партнёрскую платформу.