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A laboratory in Colorado is interested in finding the mean chloride level for a healthy resident in the state. A random sample of healthy residents has a mean chloride level of mEq/L. If it is known that the chloride levels in healthy individuals residing in Colorado have a standard deviation of mEq/L, find a confidence interval for the true mean chloride level of all healthy Colorado residents. Then complete the table below.

Carry your intermediate computations to at least three decimal places. Round your answers to one decimal place.

What is the lower limit of the 90% confidence intervel? What is the upper limit of the 90% confidence interval?

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Statistics and Probability, Statistics

Category:- Statistics and Probability
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