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A researcher studying reaction time of drivers states that, A 95% confidence interval for the mean time it takes for a driver to apply the
A researcher studying reaction time of drivers states that, "A 95% confidence interval for the mean time it takes for a driver to apply the brakes after seeing the brake lights on a vehicle in front of him is 0.9 to 1.9 seconds. What are the point estimate and margin of error for this interval?
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