Решение задачи N4413 теория вероятностей
4413. There are 11 marbles in an opaque box: 8 black and 3 white. Three balls are taken out at random. What is the probability that all the balls taken out are black?
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
Оплата и выдача товара осуществляются через партнёрскую платформу.