bryantjennifer1966
08.09.2021 •
Mathematics
For a quality control test, a company checks the miles per gallon (mpg) for a simple random sample of n=100 minivans drawn from its current inventory. The average mpg of these 100 minivans is 15.6 with a standard deviation of 1.9 mpg. We want a confidence interval for the average mpg of all minivans in the company's inventory.
Required:
Set up an approximate 95% confidence interval for the average mpg of all minivans in the company's inventory.
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Ответ:
The answer is 4,8.
The slope of MN is -2
The slope of M'N' is -2