Решение задачи N2604 теория вероятностей
2604. From an urn in which there are 10 white and 3 black balls two balls are taken out. What is the probability that one ball will be black and the other white?
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
Оплата и выдача товара осуществляются через партнёрскую платформу.