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March 2, 2015

March 2, 2015

Posted by **Anonymous** on Friday, March 22, 2013 at 3:09pm.

a) What is the probability that both of your picks are winner?

b) What is the probability that none of your picks is a winner?

c) what is the probability that at least one of your picks is a winner?

- Math -
**Reiny**, Friday, March 22, 2013 at 5:36pma) prob both winners

= (10/25)(9/24) = 3/20

b) prob both losers = (15/25)(14/24) = 7/20

c) prob of at least one winner = 1 - 7/20 = 13/20

or Prob = WL + LW + WW

= (10/25)(15/24) + (15/25)(10/24) = 3/20 = 13/20 , same as using the simple method

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