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True population mean for the amount of soda served

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Reference no: EM131822304

A quality control specialist for a restaurant chain takes a random sample of size 12 to check the amount of soda served in the 16 oz. serving size. The sample mean is 13.30 with a sample standard deviation of 1.55. Assume the underlying population is normally distributed.

Find the 95% Confidence Interval for the true population mean for the amount of soda served.

A. (12.42, 14.18)

B. (12.32, 14.29)

C. (12.50, 14.10)

D. Impossible to determine

Reference no: EM131822304

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