Mathematics, 27.07.2021 20:00 amcdaniel1
The gas mileage for a certain model of car is known to have a standard deviation of 6 mi/gallon. A simple random sample of 49 cars of this model is chosen and found to have a mean gas mileage of 28.4 mi/gallon. Construct a 89% confidence interval for the mean gas mileage for this car model.
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The gas mileage for a certain model of car is known to have a standard deviation of 6 mi/gallon. A s...
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