Решение задачи N4982 теория вероятностей
4982. There are 15 parts in a box, 10 of which are painted. The assembler draws 4 pieces at random. Find the probability that two of the extracted 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.