Решение задачи N3277 теория вероятностей

3277. In the urn there are 16 balls of the same size and appearance: among them 8 white 8 black. 8 balls are taken at random (without returning to the urn). What is the probability that 7 whites will be among them?

Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)