Karen wants to advertise how many chocolate chips are in each Big Chip cookie at her bakery. She randomly selects a sample of 52 cookies and finds that the number of chocolate chips per cookie in the sample has a mean of 8.5 and a standard deviation of 1.1. a) What is the 95% confidence interval for the number of chocolate chips per cookie for Big Chip cookies? Enter your answers accurate to one decimal place. < < b) Fill in the answer boxes to complete the interpretation of the confidence interval. Karen can advertise, with ? 99% 85% 95% confident that, on average, there are between and chocolate chips in a Big Chip cookie at her bakery.