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# 3 points) The nicotine content in cigarettes of certain brand is normally distributed with mean (in milligrams) / and standard deviation 0 = 0.1- The brand advertis...

## Question

###### 3 points) The nicotine content in cigarettes of certain brand is normally distributed with mean (in milligrams) / and standard deviation 0 = 0.1- The brand advertises that the mean nicotine content of their cigarettes is 1.5 mg: Now; suppose reporter wants to test whether the mean nicotine content is actually higher than advertised: He takes measurements from SRS of 15 cigarettes of this brand: The sample yields an average of 555 mg of nicotine. Conduct test using significance level of a 0.01. (

3 points) The nicotine content in cigarettes of certain brand is normally distributed with mean (in milligrams) / and standard deviation 0 = 0.1- The brand advertises that the mean nicotine content of their cigarettes is 1.5 mg: Now; suppose reporter wants to test whether the mean nicotine content is actually higher than advertised: He takes measurements from SRS of 15 cigarettes of this brand: The sample yields an average of 555 mg of nicotine. Conduct test using significance level of a 0.01. (rounded to 2 decimals) (a) The test statistic (b) The critical value_ The final conclusion is There is not sufficient evidence to show that the ad is misleading: The nicotine content is probably higher than advertised

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