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The number of miles UCLA employees commute to campus is normally distributed. To estimate the mean of this distribution, four employees were sampled. They had

The number of miles UCLA employees commute to campus is normally distributed. To estimate the mean of this distribution, four employees were sampled. They had a mean commute of 10 miles and a standard deviation of 2 miles. What is the margin of error for the 90 percent confidence interval for the population mean? Round your answer to three decimal places.

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