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Folgers has specified that the average amount of coffee that goes into one of their small...

Folgers has specified that the average amount of coffee that goes into one of their small coffee cans is not to exceed 13.24 ounces. A quality control inspector for Folgers takes a random sample of 16 cans and found the average to be 13 ounces with a variance of 0.25 ounces2. Test the hypothesis that the Folgers filling machines are not exceeding the specified limit at α=0.1.

Find the upper limit for the p-value.

please explain how to find p-value by hand not by using excel or a calculator- thanks

Math   Statistics-And-Probability   
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