SOLUTION: if you buy 15 raffle tickets what is the probability that you will win if 200 tickets are sold?

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Question 558564: if you buy 15 raffle tickets what is the probability that you will win if 200 tickets are sold?
Answer by purple panda(4) About Me  (Show Source):
You can put this solution on YOUR website!
7.5% 15/20=7.5