# Constructing confidence intervals - FDA

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To help customers assess the risks they are taking, the FDA publishes the amount of nicotine found in all commerical brands of cigarettes. A new cigarette has recently been marketed. The FDA tests on this cigarette gave a mean nicotine content of 24.2 milligrams and standard deviation of 2.7 milligrams for a sample of n=9 cigarettes.

If possible, create a 99% confidence interval for the population mean. Interpret the meaning of this interval.

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##### Solution Summary

This solution creates a confidence interval for a population mean with a given FDA test.

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