For daly lottery game in illinois particopants select three

For daly lottery game in illinois, particopants select three numbers between 0 and 9. A number cannot be selected more than once, so a winning ticket could be, say, 307 but not 337. Purchasing one ticket allows you to select one set of numbers. The winning numbers are announced on TV each night.

There are 10 digits to choose from. As order matters, we have 10P3 = 720 ways to choose tickets.

Thus, the probability of winning is 1/720.