A random sample of the price of gasoline from 30 gas

Last updated: 7/31/2023

A random sample of the price of gasoline from 30 gas stations in a region gives the statistics below Complete parts a through y 3 89 s 0 25 a Find a 95 confidence interval for the mean price of regular gasoline in that region 3 797 3 983 Round to three decimal places as needed b Find the 90 confidence interval for the mean Round to three decimal places as needed