Answer
The 95% confidence interval is between 237.451 and 255.910
The 95% prediction interval is between 214.931 and 278.430
Work Step by Step
With the results from item (c) still available in MINITAB:
Select Stats -> Regression -> Regression -> Predict
Enter 35.6 and 29 in the first row of the table.
Click in Options and enter the level of confidence. Click OK.
Click OK.
