Karen wants to advertise how many chocolate chips are in each Big Chip cookie at her bakery. She randomly selects a sample of 55 cookies and finds that the number of chocolate chips per cookie in the...

Karen wants to advertise how many chocolate chips are in each Big Chip cookie at her bakery. She randomly selects a sample of 55 cookies and finds that the number of chocolate chips per cookie in the sample has a mean of 16.7 and a standard deviation of 3.2. What is the 95% confidence interval for the number of chocolate chips per cookie for Big Chip cookies? Enter your answers accurate toone decimal place.


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