Решение задачи N2935 теория вероятностей
2935. In the student group there are 9 girls and 21 boys. One student is selected to attend a professional exhibition. What is the probability that this will be a girl?
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
Оплата и выдача товара осуществляются через партнёрскую платформу.