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Albert Abbasi, VP of Operations at Ingleside International Bank, Is

Question 20

Multiple Choice

Albert Abbasi, VP of Operations at Ingleside International Bank, is evaluating the service level provided to walk-in customers.Accordingly, he plans a sample of waiting times for walk-in customers.If the population of waiting times has a mean of 15 minutes and a standard deviation of 4 minutes, the probability that Albert's sample of 64 will have a mean between 16.5 and 18.5 minutes is ___.


A) 0.1865
B) 0.2667
C) 0.7333
D) 0.5468
E) 1.0000

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