Решение задачи N4582 теория вероятностей
4582. The urn contains 50 balls: 20 black, 10 white, 5 red and 15 blue. Find the probability of a white, or black, or red ball appearing in a single operation of removing balls from the urn.
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
Оплата и выдача товара осуществляются через партнёрскую платформу.