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8 July, 17:23

14 logs are shipped to a saw mill. The decision must be made on whether they will be classified as Prime, Good, Acceptable, or Not Acceptable. The usual counts are 3 Prime, 5 Good, and 4 Acceptable. In how many ways can these logs be classified so as to match the usual counts

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  1. 8 July, 20:14
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    2522520

    Step-by-step explanation:

    Number of ways logs can be classified = 14C5 * 9C4*5C3

    = 2002*126*10

    = 2522520

    Number of ways to select 5 good = 14C5, out of remaining 9, number of ways to select acceptable log = 9C4, out of remaining 5, number of ways to select prime log = 5C3 and remaking two unacceptable in 2C2 ways
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