The Ball corporation's beverage can manufacturing plant in Fort Atkinson, Wisconsin, uses a metal supplier that provides metal with a known thickness standard deviation 0=.000821 mm. Assume a random sample of 45 sheets of metal resulted in an

X=.1503 mm

Calculate the 90 percent confidence interval for the true mean metal thickness, round to 4 decimal places

The 90% confidence interval is from _______ to ______