Решение задачи N3143 теория вероятностей
3143. In a box of 20 pencils, namely 5 red and 15 black. Randomly choose 6 pencils. What is the probability that 5 of them are black?
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
Оплата и выдача товара осуществляются через партнёрскую платформу.