During   recent seasons, Major League Baseball has been criticized for the length of   the games. A report indicated that the average game lasts 3 hours and 30   minutes. A sample of 17 games revealed the following times to completion.   (Note that the minutes have been changed to fractions of hours, so that a   game that lasted 2 hours and 24 minutes is reported at 2.40 hours.) 2.98,   2.40, 2.70, 2.25, 3.23, 3.17, 2.93, 3.18, 2.38, 3.75, 3.20, 3.27, 2.52, 2.58,   4.45, 2.45, Â Can we conclude that the mean time for a game is less than 3.50   hours? Use the .05 significance level.