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A raffle is being held at a school to raise money for the library. The organizers sell 20 tickets. They will select 3 winning tickets at random for prizes.

a) How many different combinations of 3 winning tickets can there be?

b) Suppose you hold 4 tickets. What is the probability that you will win exactly 2 out of the 3 prizes.

Microeconomics, Economics

  • Category:- Microeconomics
  • Reference No.:- M946520

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