Question

Karen wants to advertise how many chocolate chips are in each Big Chip cookie at her bakery. She randomly selects a sample of 48 cookies and finds that the number of chocolate chips per cookie in the sample has a mean of 16.3 and a standard deviation of 3.9. What is the 98% confidence interval for the number of chocolate chips per cookie for Big Chip cookies

Answer 1

I don't know much about this but my teacher said it would be 16.48 or 164.8