<PRE><B>Question 570023</B>
Amy has a quiz on which she has to answer any 3 out of 5 questions. If she is equally well versed on all questions and chooses at random, what is the probability that 1 is not chosen?
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@ of ways to succeed: 4C3 = 4
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# of random drawings of three: 5C3 = 5C2 = 10
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Ans: 4/10 = 2/5
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cheers,
Stan H.
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