Решение задачи N4565 теория вероятностей
4565. There are 5 white and 8 black balls in the urn. Three balls are taken out. What is the probability that at least one 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.