A box contains 7 purple whirlygigs and 36 orange whirlygigs ...

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A box contains 7 purple whirlygigs and 36 orange whirlygigs. 3 whirlygigs are chosen at random. Find the probability that at most 2 are orange. Enter answer rounded to 3 decimal places.

    • 8 years ago
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    At most 2 orange means, 0 orange and 3 purple or 1 orange and 2 ...
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