Question

A bag contains 5 red balls and 4 black balls a second bag contains 3 red balls and 6 black balls if one of the bag is selected at random two balls are drawn at random without replacement both of which are found to be red find the probability that the balls are drawn from the second bag

Answer 1

probability=no.of favourable outcomes/total no.of possible outcome

p(E)=3/18=1/6

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