A bag contains 5 white balls , 4 red balls and 3 black balls . A ball is chosen random . Find the probability that it is not black ?
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Answer:Let A be the probability of not getting black ball
Answer:Let A be the probability of not getting black ball P(A)= Favourable outcome /total outcome
Answer:Let A be the probability of not getting black ball P(A)= Favourable outcome /total outcome P(A) =9/12 = 3/4
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