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Whojoo
01.27.2014 , 03:30 AM | #1
Story:
There is a game with chances to win one out of 15 prizes. You need tickets to win a prize.
In total there are 1000 tickets in the game. You got 5 yourself.
The average of tickets per person is 3.5.

Question:
  1. What is the probablity if every ticket is only allowed to win one prize?
  2. What is the probablity if every person is only allowed to win one prize?


I know that for 1 prize it would be P = 1 / 200
Thing is, there are 15 prizes. How do you calculate this again?

Thanks in advance for the help
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