Решение задачи N4638 теория вероятностей
4638. There are 15 textbooks randomly placed on a rack, five of them in mathematics. The student takes three textbooks at random. Find the probability that at least one of them is a math textbook.
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
Оплата и выдача товара осуществляются через партнёрскую платформу.