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1. There are two boxes, one containing 10 red balls and the
other containing 10 green balls. You are allowed to move the
balls between the boxes so that when you choose a box at
random and a ball at random from the chosen box, the
probability of getting a red ball is maximized. This maximum
probability is
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Answer / archit aggarwal
In the end 1 ball will be left in the first box & 9 balls
will be transferred to other..
p= i/2(1) + 1/2(9/19)=14/19..
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