Решение задачи N4993 теория вероятностей
4993. There are 12 parts in a box, 8 of which are painted. The assembler draws 4 pieces at random. Find the probability that among the extracted parts there will be at least 3 painted ones.
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
Оплата и выдача товара осуществляются через партнёрскую платформу.