Suppose Mo is considering whether to see Zombie Revenge III at her local movie theater. Tickets cost $12 each, but Mo isn't sure how much she's going to like the movie. There's a 40 percent chance she'll get $20 worth of enjoyment from seeing the movie, and there's a 60 percent chance she'll only get $10 worth of enjoyment from seeing the movie. Mo's expected value of seeing the movie is:
A. $2.
B. $20.
C. $4.
D. $14.
Answer: A
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