Mathematics, 11.05.2021 04:30 Haileydusenbery
A study conducted by a commuter train transportation authority involved surveying a random sample of 200 passengers. The results show that a customer had to wait on the average 9.3 minutes with a standard deviation of 6.2 minutes to buy his or her ticket. Find the upper confidence limit (UCL) for a 95% confidence interval for population mean , the true mean waiting time. Round your answer to two decimal places.
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A study conducted by a commuter train transportation authority involved surveying a random sample of...
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