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Two balls are drawn at random with repla...

Two balls are drawn at random with replacement from a box containing 10 black and 8 red balls. Find the probability that
(i) both balls are red.
(ii) first ball is black and second is red.
(iii) one of them is black and other is red.

Text Solution

Verified by Experts

The correct Answer is:
(i) `(16)/(81)`, (ii) `(20)/(81)`, (iii) `(40)/(81)`
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