Решение задачи N4889 теория вероятностей
4889. The box contains 25 parts, including 19 standard ones. 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.