SOLUTION: 14. An urn contains 5 black marbles and 5 red marbles. If 5 marbles are drawn from the urn without replacement the probability that they are all the same color is
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Question 449060: 14. An urn contains 5 black marbles and 5 red marbles. If 5 marbles are drawn from the urn without replacement the probability that they are all the same color is Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! An urn contains 5 black marbles and 5 red marbles. If 5 marbles are drawn from the urn without replacement the probability that they are all the same color is
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Choose a color: 2 ways
Choose 5 of that color: 1 way
Choose 5 randomly = 10C5 = 252
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P(5 black or 5 red) = (2*1)/252 = 1/126
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Cheers,
Stan H.
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