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Sir i am stuck for this question C2. (a) 150 people are selected for a survey of their preferred drinks after meal. 80 people like

Sir i am stuck for this question
C2. (a) 150 people are selected for a survey of their preferred drinks after meal. 80 people like coffee, 60 people like tea and 20 people like both. 30 people like other drinks. (i) If one of them is chosen at random, find the probability that he/she likes coffee only or tea only. (3 marks) (ii) If one of them is chosen at random, find the probability that he/she likes either coffee or tea

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