Решение задачи N4957 теория вероятностей
4957. There are 15 parts in the batch, 10 of them are standard and 5 are non-standard. Three parts are taken at random. What is the probability that they are standard? 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.