An economist would like to estimate the average household

Last updated: 4/6/2023

An economist would like to estimate the average household income in Okechobee county The mean household income of a random sample of 152 families in Okechobee county was found to be 38 256 The standard deviation of the household incomes of all households in Okechobee county is known to be 765 Using a 96 confidence level determine the margin of error E and a confidence interval for the average household income in Okechobee county Report the confidence interval using interval notation Round solutions to two decimal places if necessary The margin of error is given by E A 96 confidence interval is given by