During a recent drought, a water utility in a certain town sampled 100 residential water bills and found that 79 of the residences had reduced their water consumption over that of the previous year. Find a 99% confidence interval for the proportion of residences that reduced their water consumption. Round the answers to three decimal places. The 99% confidence interval is
During a recent drought, a water utility in a certain town sampled 100 residential water bills and found that 79 of the residences had reduced their water consumption over that of the previous year. Find a 99% confidence interval for the proportion of residences that reduced their water consumption. Round the answers to three decimal places. The 99% confidence interval is
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 1GP
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![During a recent drought, a water utility in a certain town sampled 100 residential water bills and found that 79 of the
residences had reduced their water consumption over that of the previous year.
Find a 99% confidence interval for the proportion of residences that reduced their water consumption. Round the answers to three
decimal places.
The 99% confidence interval is](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F1a6ffbb7-cf7c-4cf3-8537-638a5a02ae38%2Ff254a3c6-6899-4d36-ab3b-05e60451afd5%2Fygnz7ar_processed.jpeg&w=3840&q=75)
Transcribed Image Text:During a recent drought, a water utility in a certain town sampled 100 residential water bills and found that 79 of the
residences had reduced their water consumption over that of the previous year.
Find a 99% confidence interval for the proportion of residences that reduced their water consumption. Round the answers to three
decimal places.
The 99% confidence interval is
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