Bag1 contains 3 red and 4 black balls and bag2 contains 4 red and 5 black balls.One ball is transferred from bag1 to bag2 and then a ball is drawn from bag2.The ball so drawn is found to be red in colour.Find the probability that the transferred ball is black.?
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5/9 is the probability of transferred ball is black
brainly1877:
how this answer you got
sorry the probability is 4/7
4=black ball
7=total balls
thank u
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