Question

The contents of the urns first second third as follows
2 white , 3 black & 4 red balls
4 white , 2 black & 2 red balls
2 white , 5 black & 3 red balls
one urn is selected at randomly and two balls are drawn from it ,they happen to be white and red .what is the probability that they come from urns first second third?​

Answer 1

Answer:

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Answer 2

Answer:

white balls=10

black balls =10

red balls =9

total balls =29

probability =19/29