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Estimate the mean caffeine content per five ounces

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Reference no: EM132188095

Suppose you work for a city health agency and are asked to estimate the mean caffeine content per five ounces for a coffee shop. You find that a random sample of 45 five-ounce servings has a mean caffeine content of 88 milligrams. Suppose the population standard deviation is 30 milligrams.

a) Construct a 99% confidence interval

b) Construct a 95% confidence interval

c) Provide a confidence statement using the 95% confidence interval

Reference no: EM132188095

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