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Problem 4. Random sample of 40 applicants showed that an average waiting time for load approval is x = 62 hours with a sample standard

Problem 4. Random sample of 40 applicants showed that an average waiting time for load approval is x = 62 hours with a sample standard deviation s=24 hours.

Use Confidence Level 95% to find Margin of Error and Confidence Interval for the population mean of waiting time.

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