Albert Abbasi,VP of Operations at Ingleside International Bank,is Evaluating the Service

question 56

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 less than 16 minutes is ________.

• A) 0.4772
• B) 0.0228
• C) 0.9072
• D) 0.9544
• E) 0.9772