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The probability that an adult female is a member of the Liberal Party of Canada is 0.6; the probability that she is a white collar worker is 0.5; and the probability that she is a member of the Liberal Party or is a white collar worker is 0.75. Find the probability that a randomly selected adult female is: (a) [3 marks) a member of the Liberal Party and is a white collar worker. (b) [2 marks) neither a member of the Liberal Party, nor is she a white collar worker. a