A bag contains 12 coloured balls. Five of the balls are red and the rest are blue. A ball is drawn at random from the bag. It is then replaced and a second ball is drawn. Th e colour of each ball is recorded. a List the possible outcomes of the experiment. b Calculate the probability that: i the fi rst ball is blue ii the second ball is red iii the fi rst ball is blue and the second ball is red iv the two balls are the same colour v the two balls are a diff erent colour vi neither ball is red vii at least one ball is red.
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