Karen wants to advertise how many chocolate chips are in each Big Chip cookie at her bakery. She randomly selects a sample of 31 cookies and finds that the number of chocolate chips per cookie in the sample has a mean of 1&5 and a standard deviation of 2.2. What is the 9956 confidence interval for the number of chocolate chips per cookie for Big Chip cookies? Enter 11.Irour answers accurate to one decimal place {because the sample statistics are reported accurate to one decimal place]. Dana