3. A bag contains 10 red. 5blue and 7 green balls. A ballis drawn at r – InterviewSolution

1.	3. A bag contains 10 red. 5blue and 7 green balls. A ballis drawn at random. Find theprobability of this ball beingnot a blue ball.
Answer» ball need to be not blue but can be red and green so probability=17C1/22C1=17/22

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