Homework: Chapter 8 Homework Question 4, 8.3.28-T HW Score: 46.67%, 3.73 of 8 points Part 1 of 3 x Points: 0 of 1 Save An automobile club reported that the average price of regular gasoline in a certain state was $2.68 per gallon. The following data show the price per gallon of regular gasoline for 15 randomly selected stations in the state. Complete parts a through c below. 2.57 2.71 2.59 2.65 2.64 2.66 2.67 2.74 2.62 2.72 2.68 2.74 2.58 2.68 2.71 a. Construct a 99% confidence interval to estimate the average price per gallon of gasoline in the state. The 99% confidence interval to estimate the average price per gallon of gasoline in the state is from $ to $ (Round to the nearest cent.)