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Hardy wants to advertise how many chocolate chips are in each Big Chip cookie at his...

Hardy wants to advertise how many chocolate chips are in each Big Chip cookie at his bakery. He randomly selects a sample of 98 cookies and finds that the number of chocolate chips per cookie in the sample has a mean of 8.2 and a standard deviation of 3.3. What is the 90% confidence interval for the number of chocolate chips per cookie for Big Chip cookies?

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