Mathematics, 22.02.2021 22:10 cia196785920
A sample of 33 airline passengers found that the average check-in time is 2.167 minutes. Based on long-term data, the population standard deviation is known to be 0.48. Find a 95% confidence interval for the mean check-in time. Use the appropriate formula and verify your result using the Confidence Intervals workbook. The lower limit of the 95% confidence interval is . (Enter as many digits after the decimal point as you can).
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A sample of 33 airline passengers found that the average check-in time is 2.167 minutes. Based on lo...
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