Mathematics, 09.11.2019 04:31, officialrogerfp3gf2s

Atobacco company claims that the amount of nicotine in its cigarettes is a randomvariable with mean 2.2 mg and standard deviation .3 mg. however, the sample mean nicotine content of100 randomly chosen cigarettes was 3.1 mg. what is the approximate probability that the sample meanwould have been as high or higher than 3.1 if the company’s claims were true?

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Atobacco company claims that the amount of nicotine in its cigarettes is a randomvariable with mean...