Решение задачи N3151 теория вероятностей
3151. In the box are 10 blue and 20 red pencils. What is the probability that from randomly selected 4 pencils exactly 1 will turn red?
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
Оплата и выдача товара осуществляются через партнёрскую платформу.