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A tobacco company advertised that its best-selling nonfiltered cigarettes contain at most 40 mg of nicotine. Assume the standard deviation is 3.5 mg. A consumer

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A tobacco company advertised that its best-selling nonfiltered cigarettes contain at most 40 mg of nicotine. Assume the standard deviation is 3.5 mg. A consumer magazine was concerned that the nicotine content might be higher and ran tests on a random sample of 55 cigarettes. The average nicotine content of the sampled cigarettes was 41.2 mg. Is this evidence that the average nicotine content of this brand of cigarettes is more than 40 mg? What is the expected value for the average (EVave) under the null hypothesis? [ Select ] What is the standard error for the average (SEave)? [ Select ] V What is the observed average (Obsave)? [ Select ] What is the test statistic? [ Select ] V What is the p-value? [ Select ] V What is your conclusion? [ Select ] V

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