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The water works commission needs to know the mean household usage of water by the residents of a small town in gallons p
Posted: Sun Oct 03, 2021 12:35 pm
by answerhappygod
- The Water Works Commission Needs To Know The Mean Household Usage Of Water By The Residents Of A Small Town In Gallons P 1 (44.89 KiB) Viewed 117 times
The water works commission needs to know the mean household usage of water by the residents of a small town in gallons per day. Assume that the population standard deviation is 2.5 gallons. The mean water usage per family was found to be 15.8 gallons per day for a sample of 1790 families. Construct the 99 % confidence interval for the mean usage of water. Round your answers to one decimal place.