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A bag contains 4 red and 4 black balls. Another bag contains 2 red and 6 black balls. One of the two bags is selected at random and a ball is drawn from the bag which is found to be red. Find the probability that the ball is drawn from the first bag.

A bag contains 4 red and 4 black balls. Another bag contains 2 red and 6 black balls. One of
the two bags is selected at random and a ball is drawn from the bag which is found to be red.
Find the probability that the ball is drawn from the first bag.

Grade:12

2 Answers

God Of Maths
29 Points
9 years ago
the probability that the ball is drawn from the first bag.....
total balls in both the bags is 4+4+2+6 = 16.
but the ball should be red and from the first bag,
therefore th probability is 4/16 i.e. ¼.
 
By,
God Of Maths
Drake
277 Points
9 years ago
Wrong ,  ans is 2/3 
and thanks i have solved it . 
 

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