Required information 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 (
Required information 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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