Question: a) b) [5%] Find a suitable approximation for the number of transit passengers X3 at the airport. Show the mean and variance of this random

a) b) [5%] Find a suitable approximation for the number of transit passengers X3 at the airport. Show the mean and variance of this random variable. [35%] Estimate the number of gates that need to be open in order to ensure the queues of passengers waiting to go through passport control does not increase with time. Use the data in the tables provided alongside realistic estimates for the rate at which passengers go through the two types of passport control gates (Home/Overseas)

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