Isabella wants to advertise how many chocolate chips are in each Big Chip cookie at her bakery. She randomly selects a sample of 73 cookies and finds that the number of chocolate chips per cookie in the sample has a mean of 9.6 and a standard deviation of 1.9. What is the 99% confidence interval for the number of chocolate chips per cookie for Big Chip cookies? Assume the data is from a normally distributed population. Round answers to 3 decimal places where possible. < <