Решение задачи N4473 теория вероятностей
4473. There are 7 white and 9 black balls in the urn of the same weight and size. What is the probability that 2 balls taken at random will be the same color?
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
Оплата и выдача товара осуществляются через партнёрскую платформу.