Решение задачи N4821 теория вероятностей
4821. There are 12 parts in a box, 8 of which are painted. The assembler draws 4 pieces at random. Find the probability that at least two of the selected parts will be painted.
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
Оплата и выдача товара осуществляются через партнёрскую платформу.