A cigarette manufacturer wishes to advertise that the nicotine content of his cigarettes has an average less than 24 milligrams. A laboratory has made five determinations of the nicotine content in milligrams. The data values are: 26, 28, 22, 23 and 29. Would the manufacturer feel safe at the a = .05 level in making the above claim for his product? You may assume that the five measurements are a simple random sample from a Normal distribution. calculate student t-test