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