Решение задачи N5050 теория вероятностей
5050. In a batch of 11 parts, 2 are defective. 4 pieces are chosen at random. Find the probability that they are all valid. 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.