(Answered) A manufacturer of tobacco products plans to market a new

Statistics

A manufacturer of tobacco products plans to market a new brand of cigarette. The regulatory commission needs to know the mean tar content for the new brand.

A random sample of 25 of the new brand of cigarettes is analyzed, which have a mean tar content. of 10.98 milligrams with a standard deviation of 0.604 milligrams.

Construct a 95% confidence interval for the mean tar content for the new brand.

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