Решение задачи N3429 теория вероятностей

3429. In the cash and clothing lottery for 100,000 tickets, there are 1,200 prize money and 800 cash winnings. What is the probability (for the owner of a single ticket): a) a clothing gain; b) cash gain; c) any gain?

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