Isabella wants to advertise how many chocolate chips are in each Big Chip cookie at her bakery. She randomly selects a sample of 26 cookies and finds that the number of chocolate chips per cookie in the sample has a mean of 39.  Assume the population standard deviation is 4.4. 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 2 decimal places where possible.

MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
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Isabella wants to advertise how many chocolate chips are in each Big Chip cookie at her bakery. She randomly selects a sample of 26 cookies and finds that the number of chocolate chips per cookie in the sample has a mean of 39.  Assume the population standard deviation is 4.4. 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 2 decimal places where possible.

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