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Suppose you have a random sample of 2179 credit scores from a population of mortgage applicants with a sample mean of 620 and known population

Suppose you have a random sample of 2179 credit scores from a population of mortgage applicants with a sample mean of 620 andknownpopulation standard deviation of 70, and would like to calculate the 99% confidence interval of the population mean credit score. Which of the following would be the correct construction?

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