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CBSE Class 11-science Answered

PROBABILITY
Asked by | 08 Mar, 2008, 01:35: PM
answered-by-expert Expert Answer

Probability of drawing one red ball from the first bag=3/5
Probability of drawing one red ball from the second bag=3/7


therefore, probability that both balls are red=3/5.3/7=9/35

similarly, probability that both balls are black=2/5.4/7=8/35

therefore the required probability is = 1-9/35-8/35= 18/35.

Answered by | 24 Mar, 2008, 06:33: PM

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