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Scientists working on a budget wish to construct a 90% confidence interval for the mean amount of dissolved organic carbon in soil. They take a

Scientists working on a budget wish to construct a 90% confidence interval for the mean amount of dissolved organic carbon in soil. They take a random sample of 37 and get a sample mean of 10.03 mg/L with a sample standard deviation (s) of 4.48 mg/L. Create a confidence interval.

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