Isabella wants to advertise how many chocolate chips are in each Big Chip cookie at her bakery. She randomly selects a s

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answerhappygod
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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 s

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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 47
cookies and finds that the number of chocolate chips per cookie in
the sample has a mean of 45. Assume the population standard
deviation is 8.3. What is the 90% 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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