Suppose net gain in dollars of the departments for an

Last updated: 6/23/2023

Suppose net gain in dollars of the departments for an industry per day are normally distributed and have a known population standard deviation of 325 dollars and an unknown population mean A random sample of 20 departments is taken and gives a sample mean of 1640 dollars Find the confidence interval for the population mean with a 98 confidence level Round your answer to TWO decimal places ZO 10 Provide your answer below 1 282 20 05 1 645 You may use a calculator or the common z values above 20 025 1 960 20 01 2 326 Zo 005 2 576