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   John bought one of 200 raffle tickets for $10. The sponsors then randomly select one...

   John bought one of 200 raffle tickets for $10. The sponsors then randomly select one grand prize worth $200, two second prizes worth $100 each, and three third prizes at $50 each.                                                                      
(a) Verify that this is a probability distribution.                                                       
(b) Recognizing that John spent $10 to buy a ticket, determine the expected value of this raffle to him.

Math   Statistics-And-Probability   
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Total number of tickets =N=200

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