A Marketing Firm Wants to Estimate How Much Root Beer

question 58

Multiple Choice

A marketing firm wants to estimate how much root beer the average teenager drinks per year. A previous study found a standard deviation of 1.12 liters. How many teenagers must the firm interview in order to have a margin of error of at most 0.1 liter when constructing a 99% confidence interval?

• A) 831.39
• B) 832
• C) 832.39
• D) 833

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Romantic or marriage relationships between individuals of different religious backgrounds.

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Relating to a person's career or occupation, particularly one that requires special education, training, or skill.

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The practice of using websites or mobile applications to find romantic or sexual partners by connecting and communicating through the internet.

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