Question: The manager of the Danvers-Hilton Resort Hotel stated that the mean guest bill fora week-end 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 accountant will use a sample of future weekend guest bills to test the manager's claim.
a. Which form of the hypotheses should be used to test the managers claim? Explain.
H0 : μ ≥ 600 H0 : μ ≤ 600 H0 : μ = 600
H0 : μ < 600 H0 : μ > 600 H0 : μ ≠ 600
b. What conclusion is appropriate when Ho cannot be rejected?
c. What conclusion is appropriate when Ho can be rejected?