SOLUTION: A bag of marbles contains 2 green, 1 blue and 3 red marbles. If two marbles are drawn at random without replacement what is the probability that both will be red?
a) 1/5
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Question 573470: A bag of marbles contains 2 green, 1 blue and 3 red marbles. If two marbles are drawn at random without replacement what is the probability that both will be red?
a) 1/5 b) 1/10
c) 1/6 d) 1/12
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
A bag of marbles contains 2 green, 1 blue and 3 red marbles. If two marbles are drawn at random without replacement what is the probability that both will be red?
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# of ways to succeed: 3C2 = 3
# of random results: 6C2 = 15
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P(2 red) = 3/15 = 1/5
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Cheers,
Stan H.
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a) 1/5 b) 1/10
c) 1/6 d) 1/12
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