# Abe is a big gambler. He is equally likely to win, lose, or break even. When he loses, his loss is $1000. When he wins, he either makes $500 or $1000 with equal

Mathematics
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Question

Abe is a big gambler. He is equally likely to win, lose, or break even. When he loses, his loss is $1000. When he wins, he either makes $500 or $1000 with equal probability. How much money does Abe win or lose on average?