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daniecott
09.11.2019 •
Mathematics
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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Ответ:
0.0000
Unusual
Step-by-step explanation:
Given that a tobacco company claims that the amount of nicotine in its cigarettes is a random variable with mean 2.2 mg and standard deviation .3 mg.
i.e. population parameters are
The approximate probability that the sample meanwould have been as high or higher than 3.1
=0.0000
Ответ: