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a) Given that x (= flight times between cities A and B) follows a normal distribution with a mean (u) of 64 minutes and a

a) Given that x (= flight times between cities A and B) follows a normal distribution with a mean (u) of 64 minutes and a standard deviation (o) of 2.5 minutes, use the standard normal z-table to find: (i) P (x 67.4) (5 marks) (1ii) P (59.6

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