Решение задачи N3293 теория вероятностей
3293. In an urn there are 12 white, 5 red and 3 black balls. Three balls are taken at random. Find the probability that
a) all the balls will be red?
b) at least one ball will be black?
c) two balls will be white?
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
Оплата и выдача товара осуществляются через партнёрскую платформу.