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1.Alex Mueller is the quality manager at ABC Inc. The company wants to find a confidence interval for the average time required for an associate
1.Alex Mueller is the quality manager at ABC Inc. The company wants to find a confidence interval for the average time required for an associate to fill an order for shipment. A sample of 36 orders is taken and the mean time was found to be 9.0 minutes, with a standard deviation of 2.9 minutes. Compute 95 percent and 99 percent confidence intervals. Which one is larger? Explain why.
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