Решение задачи N4872 теория вероятностей
4872. There are 3 standard parts in a lot of 15 parts. 4 items were randomly selected. Find the probability that there are exactly 2 standard parts among the selected parts.
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
Оплата и выдача товара осуществляются через партнёрскую платформу.