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. In a class of 30 students, 18 have a driver's license. Ten students are selected at random. a) What is the probability that at

. In a class of 30 students, 18 have a driver's license. Ten students are selected at random. a) What is the probability that at least four have their driver's license? (2 marks, TI) b) What is the expected number of students with their driver's license? (2 marks, TI)

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