Решение задачи N2593 теория вероятностей
2593. In an urn there are 8 white and 19 black balls. 4 balls are taken out of the urn. Find the probability that two 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.