Решение задачи N4989 теория вероятностей
4989. There are 10 parts in a box, 6 of which are painted. For good luck, the assembler extracts three parts. What is the probability that the extracted parts will be unpainted? Solved in two ways.
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
Оплата и выдача товара осуществляются через партнёрскую платформу.