Решение задачи N4988 теория вероятностей
4988. There are 10 parts in a box, 7 of which are painted. The assembler draws 4 parts at random. Find the probability that all the parts taken are painted. 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.