Question: In Exercise 9.54, test H0: = .2 versus Ha: > .2 at levels of significance .05 and .01. In exercise A manufacturer of

In Exercise 9.54, test H0: σ = .2 versus Ha: σ > .2 at levels of significance .05 and .01.
In exercise
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 6 fl. oz., with a standard deviation of .2 fl. oz. When the new machine is tested using 15 cups, the mean and the standard deviation of the fills are found to be 6 fl. oz. and .214 fl. oz. Test H0: σ = .2 versus Ha: σ ≠ .2 at levels of significance .05 and .01. Assume normality.

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x coffee dispensed in fluid ounces x assumed normal with m 6 fl oz and 02 fl oz so s 004 A samp... View full answer

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