SOLUTION: 3 marbles are drawn at random with no replacement. Find the probability that the 3 marbles are the same color if you have 3 red and 4 blue marble
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Question 450340: 3 marbles are drawn at random with no replacement. Find the probability that the 3 marbles are the same color if you have 3 red and 4 blue marble Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! 3 marbles are drawn at random with no replacement. Find the probability that the 3 marbles are the same color if you have 3 red and 4 blue marble
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P(3red or 3blue) = P(3red)+P(3blue)
= [3C3+4C3]/[7C3]
= [1+4]/35
= 1/7
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Cheers,
Stan H.
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