Exercise 10.54 (Algal METHODS AND APPLICATIONS A manufacturer of coffee vending machines has designed a new, less expensive machine. The current machine is known to dispense (into cups) an average of 5 ii. 02., with a standard deviation of .2 . oz. When the new machine is tested using 15 cups. the mean and the standard deviation of the lls are found to be 5 . oz. and .216 . oz. Test H3: .3 = .2 versus H3: a It .2 at levels of signicance .05 and .01. Assume normality. {Round your answer to 4 decimal places.) E: Hm... ms. Hmm=o.m