Question: To help consumers assess the risks they are taking, the Food and Drug Administration (FDA) publishes the amount of nicotine found in all commercial brands

To help consumers assess the risks they are taking, the Food and Drug Administration (FDA) publishes the amount of nicotine found in all commercial brands of cigarettes. A new cigarette has recently been marketed. Suppose the 95% confidence interval for the mean nicotine content is (26.81,30.91). The FDA claims that the mean nicotine content exceeds 31.2 milligrams for this brand of cigarette. Do you agree?

(a.) No, since the value 31.2 does fall in the 95% confidence interval.

(b.) Yes, since the value 31.2 does fall in the 95% confidence interval.

(c.) No, since the value 31.2 does not fall in the 95% confidence interval.

(d.) Yes, since the value 31.2 does not fall in the 95% confidence interval.

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