The manager of the danvers-hilton 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 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 manager's claim? h0: is it: greater than or equal to 600/ greater than 600/less than or equal to 600/less than 600/equal to 600/not equal to 600? ha: is it: greater than or equal to 600/ greater than 600/less than or equal to 600/less than 600/equal to 600/not equal to 600?