Statistic question

The manager of a resort hotel stated that the mean guest bill for a weekend is $600 or less. A member of the hotel's accounting staff noticed that the total charges for guest bills have been increasing in recent months. The a weekend guest bills to test the manager's claim. will use a sample of future (a) Which form of the hypotheses should be used to test the manager's claim? Explain. Ho: H 2 600 H: H 600 Ho: # = 600 H: A = 600 The hypotheses Ho: # 2 600 and H. : / 600 should be used because the accountant wants to test the manager's claim that the mean guest bill ( is less than or equal to 600 and find evidence to support # > 600. The hypotheses Ho: # = 600 and H.: # # 600 should be used because the accountant wants to test the manager's claim that the mean guest bill / is equal to 600 and find evidence to support / = 600, (b) What conclusion is appropriate when H cannot be rejected? . We are not able to conclude that the manager's claim is wrong. We can conclude that / 2 600. O We are able to conclude that the manager's claim is wrong. We can conclude that A $ 600. We are not able to conclude that the manager's claim is wrong. We cannot conclude that / > 600. We are able to conclude that the manager's claim is wrong. We can conclude that / = 600. We are not able to conclude that the manager's claim is wrong. We cannot conclude that / # 600. (c) What conclusion is appropriate when Ho can be rejected? We are not able to conclude that the manager's claim is wrong. We can conclude that / > 600. O We are not able to conclude that the manager's claim is wrong. We can conclude that / 600