Complete the following problems using the 6 step procedure for testing statistical hypotheses.

#28 (8 points) A recent article in Vitality magazine reported that the mean amount of leisure time per week for American men is 40.0 hours. You believe the figure is too large and decide to conduct your own test. In a random sample of 60 men, you find the mean is 37.8 hours of leisure per week and the standard deviation of the sample is 12.2 hours. Can you conclude that the information in the article is untrue? Use the .05 level of significance for your test.