The average waiting time in line at a bank teller is 8 minutes. The standard deviation is

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The average waiting time in line at a bank teller is 8 minutes. The standard deviation is 30 seconds. What is the tolerance of the process that exhibits the limits of normal variation with a 0.3% probability of producing nonconforming product?

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Elementary Statistics

ISBN: 9780321836960

12th Edition

Authors: Mario F. Triola

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Posted Date: Jun 09, 2023 07:32 AM

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The average waiting time in line at a bank teller is 8 minutes. The standard deviation is

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To determine the tolerance of the process we need to calculate the corresponding zscore fo... View the full answer

Elementary Statistics

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