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Mathematics, 25.11.2020 20:20 nickocasamplonp6mlob

A random sample of 55 cars produced by GM showed an average of 42 miles per gallon (mpg). The standard deviation of the sample is 6 mpg. With this information, if we wanted to create an interval estimate of the mean mpg for all cars produced by GM, which distribution would we use?

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A random sample of 55 cars produced by GM showed an average of 42 miles per gallon (mpg). The standa...
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