Essay
Cigarette Tar Content Narrative
Ten measurements of the tar content of a certain brand of cigarette are 13.5, 14.0, 13.9, 14.2, 15.1, 14.6, 13.8, 14.0, 14.1, and 14.7 in milligrams per cigarette. Assume these measurements were taken from a population with a normal distribution.
-Refer to Cigarette Tar Content Narrative. Construct a 90% confidence interval for the mean tar content of any cigarette of this brand.
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