Karen wants to advertise how many chocolate chips (in grams) are in each Big Chip cookie at her bakery. She randomly selects a sample of 10 cookies and finds that the number of chocolate chips per cookie in the sample has a mean of 142.7 and a standard deviation of 30.9. What is the 99% confidence interval for the number of chocolate chips per cookie for Big Chip cookies? O110.9

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Q: Construct a 90% Confidence Interval for the population mean u

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