Lian gives his friend Patti a lottery ticket for her birthday. The ticket cost Lian $2, and the back of
the ticket says, "The overall odds of winning a prize with this ticket are 1: 50, and the expected
return for this ticket is $0.89."
Lian says, "If 1,000 people each bought one of these tickets, they'd have spent $2,000 in total
and get back about $890"
Patti says, "The probability that one of these tickets wins a prize is 0.89, on average."
