Question: Be sure to determine correctly whether the confidence intervals are calculated with the normal distribution or the t distribution. In a time-use study, 20 randomly

Be sure to determine correctly whether the confidence intervals are calculated with the normal or the t a time-use study, 20 randomly selected managers were found to spend a mean of 2.40 h each day on paperwork. The standard deviation of the 20 scores is 1.30 h (based on data from Adia Personnel Services). Also, the sample data appear to have a bell-shaped Construct the 95% confidence interval for the mean time spent on paperwork by all managers. If the organization requires its managers to have a mean of 5.60 hours available each day (out of 8 hours) for non-desk work, should they be satisfied with the results of the time study? Why or why not?

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