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Suppose a local symphony decides to raise money by raffling off a microwave oven worth $300, a dinner worth $100, and a book worth $20. A total of 1000 tickets are sold at $1 each. Find the expected value of winning for a person who buys 1 ticket.A. -$0.58B. -$0.38C. $0.64D. $0.83E. $1.15
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