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A store delivery driver records the time (in minutes) It takes to deliver orders to homes in the community for six days. Those results are: 25, 22, 17, 20, 15, and 10. Assuming the population is normally distributed. Find the upper confidence limit of the 90% confidence interval for the average population delivery time. 21.59 O 18.24 O 13.81 O 25.89 None of the suggested answers are correct