In the manufacture of a specific type of cigarette, a nicotine content (in mg) of po=12...

 

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In the manufacture of a specific type of cigarette, a nicotine content (in mg) of po=12 are not exceeded. We assume that the nicotine content is normally distributed. For regular control, test random samples of 20 cigarettes each are taken from a production lot and the nicotine content is determined. The arithmetic mean was obtained for a test samplex= 12.14 and the sample standard deviations(x) = 1.5. Are the data consistent with the assumption that the target value0=12 is not exceeded in the overall production on average? Test to levela= 5%. In the manufacture of a specific type of cigarette, a nicotine content (in mg) of po=12 are not exceeded. We assume that the nicotine content is normally distributed. For regular control, test random samples of 20 cigarettes each are taken from a production lot and the nicotine content is determined. The arithmetic mean was obtained for a test samplex= 12.14 and the sample standard deviations(x) = 1.5. Are the data consistent with the assumption that the target value0=12 is not exceeded in the overall production on average? Test to levela= 5%.

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To determine whether the data is consistent with the assumption that the target value of 12 mg nicot... View the full answer