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4. Four cards are drawn randomly from a pack of 52 playing cards (without jokers). Find the probabilities of the following events. (a) Exactly two

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4. Four cards are drawn randomly from a pack of 52 playing cards (without jokers). Find the probabilities of the following events. (a) Exactly two black cards are drawn. (b) At least three kings are drawn. (c) Exactly two black cards are drawn, given that at least three kings are drawn. (Given your answers correct to 4 decimal places.) (6 marks)

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