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Hypothesis test of single population mean, sigma known.
The Fizzzy Pop Soda Company produces 2 liter bottles of soda. A random sample of 40 bottles yielded a mean of 1.95 liters and an assumed population standard deviation of 0.2 liters. At the 0.01 level of significance, test the company's claim that their soda bottles contain 2 liters of soda.
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