Mathematics, 26.02.2020 00:32 jos0305
A tobacco company claims that the amount of nicotene in its cigarettes is a random variable with mean 2.2 and standard deviation .3 mg. However, the sample mean nicotene content of 100 randomly chosen cigarettes was 3.1 mg. What is the approximate probability that the sample mean would have been as high or higher than 3.1 if the company’s claims were true?
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A tobacco company claims that the amount of nicotene in its cigarettes is a random variable with mea...
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