SOLUTION: A bag contains 5 white,6 green and 2 black balls ,one ball is selected at random from the bag.find the probability that the selected ball is 1 white 2 non white 3.White or gre

Question 1061676: A bag contains 5 white,6 green and 2 black balls ,one ball is selected at random from the bag.find the probability that the selected ball is
1 white
2 non white
3.White or green
4.Black or red
Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
There are 13 balls
5 white, so probability 5/13 first is white and 8/13 first is not white.
White or green are 11, so 11/13 probability one or the other.
Black or red is 2/13, since no red balls are mentioned here.
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