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The gas mileage for a certain model of car is known to have a standard deviation of 4 mi/gallon. A simple random sample of 100

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The gas mileage for a certain model of car is known to have a standard deviation of 4 mi/gallon. A simple random sample of 100 cars of this model is chosen and found to have a mean gas mileage of 28.4 mi/gallon. Construct a 98% confidence interval for the mean gas mileage for th car model. a) O (27.578, 29.222) b) O (27.470, 29.330) c) O (19.096, 37.704) d) O (20.184, 36.616) e) O (28.307, 28.493) f) ONone of the above

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