In order to estimate the average electric usage per month, a sample of 196 houses was selected and their electric usage
Posted: Wed May 11, 2022 6:50 am
In order to estimate the average electric usage per month, a sample of 196 houses was selected and their electric usage was determined. If the sample mean is 2000 kWh, what is the 93% confidence interval estimate of the population mean? Assume a population standard deviation of 350 kilowatt-hours (Lower Limit) to (Upper Limit) (Round your answer to 2 decimal places)