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Question

A bag contains 3 red balls and 5 black balls. A ball drawn at random from the bag. What is the probability that the ball drawn is (i) red ? (ii) not red ?

Solution
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Number of red balls =3
Number of black balls =5
Total number of balls =5+3=8
(i) Probability of drawing red balls =NumberofredballsTotalNumberofballs=38
(ii) Probability of drawing black balls =NumberofblackballsTotalNumberofballs=58

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