Average amount of coffee

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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.

The answer should be equal to 0.975. Please tel me how to get to this answer not using excel or a calculator.

Reference no: EM132150280

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