A random sample of 15 cigarettes was tested and was found to have a mean nicotine of 42.6 mg and a standard deviation of 3.7 mg. Assume that nicotine contents follow a normal distribution and a 5%...


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A random sample of 15 cigarettes was tested and was found to have a mean nicotine of 42.6 mg and a standard deviation of 3.7 mg. Assume that nicotine<br>contents follow a normal distribution and a 5% level of significance. Test the claim of the tobacco company that its best-selling cigarettes contain<br>b. less than 40 mg of nicotine.<br>Test statistics =<br>p value<br>Do we have enough evidence to reject the null hypothesis? YES OR NO?<br>

Extracted text: A random sample of 15 cigarettes was tested and was found to have a mean nicotine of 42.6 mg and a standard deviation of 3.7 mg. Assume that nicotine contents follow a normal distribution and a 5% level of significance. Test the claim of the tobacco company that its best-selling cigarettes contain b. less than 40 mg of nicotine. Test statistics = p value Do we have enough evidence to reject the null hypothesis? YES OR NO?

Jun 10, 2022
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