Listen What is the average mileage during a vehicle's first year? Based on a sample, assume the population mean at 95% confidence is [8000 , 14000]. Which of the following is TRUE? The sample mean is 11000 miles. The margin of error is 3000 miles The sample mean is 22000 miles. The margin of error is 6000 miles The sample mean is 11000 miles. The margin of error is 6000 miles The sample mean is 22000 miles. The margin of error is 3000 miles Question 3 (1 point)