A laboratory in Colorado is interested in finding the mean chloride level for a healthy resident in the state. A random sample of 150 healthy residents has a mean chloride level of 106 mEq/L. If it is known that the chloride levels in healthy individuals residing in Colorado have a standard deviation of 38 mEq/L, find a 99% 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. (If necessary, consult a list of formulas.)
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