A city planner wants to estimate the average monthly residential water usage in the city. He selected a random sample of 35 households from the city, which gave the mean water usage to be 3409.40 gallons over a one-month period. Based on earlier data, the population standard deviation of the monthly residential water usage in this city is 387.30 gallons, Make a 97% confidence interval for the average monthly residential water usage for all households in this city. Round your answers to two decimal places. to gallons

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Chapter 08, Section 8.2, Problem 019
A city planner wants to estimate the average monthly residential water usage in the city. He selected a random sample of 35 households from the city, which gave the mean water usage to be
3409.40 gallons over a one-month period. Based on earlier data, the population standard deviation of the monthly residential water usage in this city is 387.30 gallons. Make a 97% confidence
interval for the average monthly residential water usage for all households in this city.
Round your answers to two decimal places.
to
gallons
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Transcribed Image Text:FULL SCREEN PRINTER VERSION « BACK Chapter 08, Section 8.2, Problem 019 A city planner wants to estimate the average monthly residential water usage in the city. He selected a random sample of 35 households from the city, which gave the mean water usage to be 3409.40 gallons over a one-month period. Based on earlier data, the population standard deviation of the monthly residential water usage in this city is 387.30 gallons. Make a 97% confidence interval for the average monthly residential water usage for all households in this city. Round your answers to two decimal places. to gallons SAVE FOR LATER SUBMIT ANSWER Question Attempts: 0 of 2 used powered by MapleNet on ion 5a tion 5b ction 19 ection 022 Version 4.24.20.1 ent I Privacy Policy I O 2000-2020 John Wiley & Sons, Inc. All Rights Reserved. A Division of John Wiley & Sons. Inc. MacBook Air DII DD F11 F12 888 000 F10 80 F8 F9 F7 F6 F5 F3 F4 F1 F2 & 23 2$ delets %3D 7 8 2 3
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