A bag contains 5 red balls , 8 white balls, 4 green balls and 7 black balls. If one ball is drawn at random. Find the probability that it is (1). Black (2). Not green
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•1 P(Black)=7/24
•2 P(not Green)=20/24=5/6
•2 P(not Green)=20/24=5/6
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