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Chances on picking the solution at random

  1. Apr 13, 2012 #1
    If you choose an answer to this question at random, what's the chance you will be correct?
    a) 25%
    b) 50%
    c) 60%
    d) 25%

    This problem has a solution?
     
  2. jcsd
  3. Apr 13, 2012 #2
    Probability of selecting correct answer at random given 4 non-identical choices: 1/4
    Probability of selecting correct answer of this problem, given 2 of the answers are identical: 1/3.
     
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