All other things being equal, what do you predict the difference in repair time will be for Dave Newton compared to Bob Jones? Rather than giving a point estimate in the difference in repair time, provide a 95% confidence interval. If Dave's repair takes longer than Bob's, enter a positive number. Otherwise enter a negative number. Enter your answers to 3 decimal places.

Lower End of Interval:

Upper End of Interval:

It's not (-3.041, -1.548)