A bag contains 4 red, 3 black and 2 white balls.A ball is drawn from the bag. find the probability 1.that it is a red ball 2. it is not black
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Step-by-step explanation:
1. probability that it is a red ball
= no of favorable outcomes / total no of outcomes
= 4 / 4+3+2
= 4 / 9
2. probability that it is not black
= 4+2 / 4+3+2
= 6 / 9
= 2/3
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