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    gjjahol's Avatar
    gjjahol Posts: 1, Reputation: 1
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    #1

    Feb 15, 2011, 11:50 PM
    What is the probability.. .
    What is the probability that two numbers chosen at random from this group (1, 2, 3, 4, 5) have a product greater than 12?
    galactus's Avatar
    galactus Posts: 2,271, Reputation: 282
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    #2

    Feb 16, 2011, 05:16 AM

    There are only 10 total ways to choose 2 items from 5. List them out and see which ones when multiplied are greater than 12.

    1,2
    1,3
    1,4
    1,5

    And so on. There's 4 of them already. Do any of those have a product > 12? No? Continue listing out the other 6 and see how many have a product > 12.
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