in your library , there are 8 novels, 8 biographies , and 8 war history books. if you select two books at random to bring on your vacation, what is the probability of selecting two different kind of books.
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probability is 1 by 12
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Answer:
16/23
Explanation:
6 combos: NB | BN | NW | WN | BW | WB
Each combo: 8/24 * 8/23 = 8/69
6 combos: 3/23 * 6 = 48/69
Simplified: 16/23
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