In Las Vegas, a particular sports bet has about a chance of winning. If the bet wins, the bettor will win 15 dollars. If the bet loses, the bettor will lose 10 dollars.
The expected return of placing one of these bets is -2.50 dollars.
Which of the following statements are true?
Choose all answers that apply:
A It is possible for a bettor to place 2 of these bets and win both of them.
B The average return per bet from 2 of these bets must be exactly -2.50 dollars.
c If a bettor places a large number of these bets, they should expect to average a return of about -2.50 dollars per bet.
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