Решение задачи N5206 теория вероятностей
5206. There are 13 parts in a box. Among them are 3 defective parts. Randomly take 4 parts. What is the probability that 2 items are defective?
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
Оплата и выдача товара осуществляются через партнёрскую платформу.