Решение задачи N4936 теория вероятностей
4936. There are 10 parts in random order in a box, 4 of which are standard. The controller took 3 parts at random. Calculate the probability that at least one of the parts taken is standard.
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
Оплата и выдача товара осуществляются через партнёрскую платформу.