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A bucket contains 8red,3 blue and 5 green marbles . If 2 marbles are drawn at random, what is the proabability that both are green ?

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A bucket contains 8red,3 blue and 5 green marbles . If 2 marbles are drawn at random, what is the proabability that both are green ? A. `(1)/(8)` B. `(5)/(16)` C. `(2)/(7)` D. none of these Select the correct answer from above options

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Correct Answer - D `n(S) =""^(16)C_(2)=(16xx15)/(1xx2)=120` `n( E)=""^(5)C_(2) =(5xx4)/(1xx2)=10` Required probabaility `=(10)/(120)=(1)/(12)`

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