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November 16th, 2013, 12:10 AM   #1
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Probability

A box contains 10 cards with numbers 10,11,12,13,14,15,16,17,18,19 written on each card respectively. Two cards are drawn randomly from the box. Find the probability that the sum of the digits for both cards drawn is greater than 8.
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November 16th, 2013, 12:27 AM   #2
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Re: Probability

Where are you getting stuck with this problem?
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