Решение задачи N2881 теория вероятностей
2881. From an urn with 8 white and 4 black balls, 3 balls are successively taken out. What is the chance to take out three white balls?
Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)
Оплата и выдача товара осуществляются через партнёрскую платформу.