Question: The mean BMI (Body Mass Index) for a large sample of US adults is 27.655.We are told that the standard error for this estimate is

The mean BMI (Body Mass Index) for a large sample of US adults is 27.655.We are told that the standard error for this estimate is 0.009.If we use the normal distribution to find a 99% confidence interval for the mean BMI of US adults:

1.What is z*?

2.Find and interpret the 99% confidence interval

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