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References 5 hits A marketing firm wants to estimate how much root beer the average teenager drinks per year. A previous study found a standard

References 5 hits A marketing firm wants to estimate how much root beer the average teenager drinks per year. A previous study found a standard deviation of 1.01 liters. How many teenagers must the firm interview in order to have a margin of error of at most 0.4 liter when constructing a 99% confidence interval? O Multiple Choice 43

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