If there were a course on the lottery, as a professor I would be tempted to award grades also based on a lottery system. I would probably also make a seating arrangement based on a lottery system. Actually, why haven’t I proposed this course yet?
HOBO: Well, what are you interested in?
RICK: I'm interested in taking easy classes that will let me make lots of money as soon as possible.
HOBO: Oh look, by luck there's an entire economics course on lotteries!
RICK: Is it hard to get into?
HOBO: Depends how good at math you are.