Q1. A bag contains some coloured balls. There are 2 black, 4 blue, 2 green, 3 red, 2 yellow, 1 orange, 1 brown and 1 purple ball. From this information work out the following probabilities:


(a) A ball selected at random will be green.


(b) A ball selected at random will be blue or green.


(c) A ball selected at random will NOT be purple.




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