A car leasing firm's records indicate that the mean number of miles driven annually in its cars has been about12,750

miles. The firm suspects that this number has decreased this past year. Suppose that the firm wishes to choose a small sample of driving distances from the past year and carry out ahypothesis testfor its suspicion. State thenull hypothesisH

0

and thealternative hypothesisH

1

that it would use for this test.