As a followup to a report on gas consumption, a consumer group conducted a study of SUV owners to estimate the mean mileage for their vehicles. Asimple random sample of 95 SU'vr ' owners was seleded, and the owners were asked to report their highway mileage. The results that were summarized from the sample data were )_(= 1?.4 mpg and S: 6.? mpg. Based on these I sample data, compute and interpret a 99% con idence interval estimate for the mean highway mileage for SUVs. v The 99% condence interval is mpg mpg. (Round to one decimal place as needed. Use ascending order.)