Решение задачи N4528 теория вероятностей
4528. There are 15 white and 5 black balls in the urn. Find the probability that 3 balls drawn at random one after the other will turn out to be black.
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
Оплата и выдача товара осуществляются через партнёрскую платформу.