The Ball Corporation's beverage can manufacturing plant in For Atkinson, Wacorali, uses a metal supplier that provides metal web a known thickness standard devimiton
\sigma =0.000970mm. Assume a randem sample of 48 sheets of metal rewilled in an
\bar{x} =0.546mm . Calculate the 95 percent confidence interval for the true mean metal thickness. Note: Round your answers to 4 decimal places. The 95% confiderce interval is from to