A sample of 40 country CD recordings of Willie Nelson has been examined. The average playing time of ...

A sample of 40 country CD recordings of Willie Nelson has been examined. The average
playing time of these recordings is 51.3 minutes, and the standard deviation is s = 5.8 minutes.

Using an appropriate t-multiplier, construct a 95% confidence interval for the mean playing
time of all Willie Nelson recordings.

Place your LOWER limit, in minutes, rounded to 2 decimal places, in the first blank. For
example, 56.78 would be a legitimate entry. .

Place your UPPER limit, in minutes, rounded to 2 decimal places, in the second blank. For
example, 67.89 would be a legitimate entry.