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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.
ii. one of them black and other is red.

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  15. A and B are events such that P(A cip B)= (3)/(4), P(A cap B)= (1)/(4...

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  16. Events A, B, C are mutually exclusive events such that P(A) = (3x +1...

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