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9) Three people are chosen at random from a group of people among which there are eight South Africans, six Kenyans, 4 Bulgarians and 2

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9) Three people are chosen at random from a group of people among which there are eight South Africans, six Kenyans, 4 Bulgarians and 2 Russians. Find the probability that (a) all the three people chosen are non-South African (Answer: 0.1930) (b) exactly one South African is chosen (Answer: 0.4632) (c) at least two South Africans are selected. (Answer: 0.3439)

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