Answer to Question #347791 in Statistics and Probability for abcd

Question

A random sample of 14 cigarettes of a certain brand has an average nicotine content of 4.2 milligrams and a standard deviation of 1.7 milligrams. Is this in line with the manufacturer's claim that the average nicotine content does not exceed 6.3 milligrams? Use 0.01 level of significance.

Answer 1

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