Решение задачи N4808 теория вероятностей
4808. The box contains 7 identical parts, three of which are painted. Take 4 pieces at random. Find the probability of taking:
a) all painted;
b) at least one colored one.
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
Оплата и выдача товара осуществляются через партнёрскую платформу.