How to solve this problem if their are 8 random sample size, using a 95% confidece level?
A cigarette manufacturer claims that his cigarettes have an average nicotine content of 1.83 milligrams. If random samples of size 8 of this type have nicotine contents of 2.0, 1.7, 2.1, 1.9, 2.2, 2.1, 2.0 and 1.6 milligrams, would you agree with the manufacturer’s claim. Use 95% confidence level.
A cigarette manufacturer claims that his cigarettes have an average nicotine content of 1.83 milligrams. If random samples of size 8 of this type have nicotine contents of 2.0, 1.7, 2.1, 1.9, 2.2, 2.1, 2.0 and 1.6 milligrams, would you agree with the manufacturer’s claim. Use 95% confidence level.
1 Answer
Mar 25, 2018
We agree with the manufacturer's claim at 95% confidence level.
Explanation: