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a) Let Y represent the number of times a patient sees a doctor in a 1-week period. Assume this is the probability distribution of
a) Let Y represent the number of times a patient sees a doctor in a 1-week period. Assume this is the probability distribution of Y. f(y) ={ y = 1,2,3 6 0, otherwise Find i) mean, E(Y) and variance, V(Y). ii) E(3Y) V(5-2Y). (5 marks) (2 marks)
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