Решение задачи N4439 теория вероятностей
4439. The urn contains 4 white, 3 red and 2 blue balls. Two balls are taken from the urn at random without returning. What is the likelihood that they are different colors?
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
Оплата и выдача товара осуществляются через партнёрскую платформу.