Решение задачи N4845 теория вероятностей
4845. The box contains 60 standard and 40 non-standard parts. Find the probability that out of 2 parts taken at random, 1 is standard and the other is non-standard.
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
Оплата и выдача товара осуществляются через партнёрскую платформу.