Решение задачи N4893 теория вероятностей
4893. There are n=18 parts in a box, among which m=12 are standard. The assembler randomly takes out two parts. Find the probability that: both extracted parts will be standard; at least one of the two parts will be standard.
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
Оплата и выдача товара осуществляются через партнёрскую платформу.