Решение задачи N4569 теория вероятностей
4569. The urn contains 10 white and 4 black balls. Find the probability that the ball you take out turns out to be black? Will the two balls taken out at random 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.