Решение задачи N5068 теория вероятностей
5068. There are 80 parts in a box, of which 20% are defective. 2 parts are chosen at random. Find the probability that both items are defective. 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.