7. New Jersey Transit buses must have a stopping distance of 264 feet or less as required by the department of transportation. A random sample of 10 New Jersey Transit buses was tested and the results reported that the sample mean of the stopping distance was 269.3 feet with a sample standard deviation of 5 feet. At a significance level of a=.05 test the claim that the stopping distances of New Jersey Transit buses is more than 264 feet.