Nuan gives her friend Saul a lottery ticket for his birthday. The ticket cost Nuan $5, and on the back it says, "The overall odds of winning a prize are 1:50 and the expected return is $2.50."
Saul says, "If 1000 people bought one of these tickets, they’d have spent $5000 and only would only get back $2500.
Explain how this could be either correct or incorrect