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math

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suppose a local symphony decides to raise money by raffling a microwave oven worth $400, a diner for two worth $80, and 2 books worth $20 each. a total of 2000 tickets are sold at $1 each. find the expected value of wining for a person who buys one ticket in the raffle.

  • math -

    expected value = (400 + 80 + 40)(1/2000) = .26

    so the expected value of winning is 26 cents

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