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Suppose you have a sample of 15 units from a population of size 1,000,000. Your sample mean is 85, and you know the population standard

Suppose you have a sample of 15 units from a population of size 1,000,000. Your sample mean is 85, and you know the population standard deviation is 10. Calculate the lower bound of a 90% confidence interval for the population mean. Round your answer to 2 decimal places.

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