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A box contains 3 red pens, 8 black pens and 6 blue pens. We reach in and select a handful of 4 pens. Round the

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A box contains 3 red pens, 8 black pens and 6 blue pens. We reach in and select a handful of 4 pens. Round the following answers to three decimal places. a) What is the probability that no red pens are selected? b) What is the probability that at least one black pen is selected? c) What is the probability that at least three blue pens are selected

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