Решение задачи N5213 теория вероятностей
5213. In a batch of 45 items, 9 have a hidden defect. What is the probability that out of 4 items taken at random, 2 items are defective?
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
Оплата и выдача товара осуществляются через партнёрскую платформу.