Tough Road Tire Company wants to test its new brand of tires. The engineering department of the company claims that the new tires last more than 50,000 miles in the average. A sample of 40 tires was tested and found that the average number of miles they lasted for the sample was 53,200 miles with a standard deviation of 8100 At the level of significance 0.10, can the company claim that the tires last an average of more than 50,000 miles? Assume that the miles the tires last follow a normal distribution