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QUESTION TWO (15 MARKS) The data below represent the service times, x. taken by a sample of 40 randomly bank te working at a Bank

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QUESTION TWO (15 MARKS) The data below represent the service times, x. taken by a sample of 40 randomly bank te working at a Bank branch in located in Dandora Service time (x) Number of tellers (f) 2-4 4 46 17 6-8 14 8-10 5 Given that the service time random variable follows a normal distribution with a mean ( a standard deviation of o

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