Required informationDuring a recent drought, a water utility in a certain town sampled 100 residential water bills and found that 72 of theresidences had reduced their water consumption over that of the previous year.Someone claims that more than 69.02% of residences reduced their water consumption. With what level of confidence can thisstatement be made? Express the answer as a percent and round to two decimal places.The level of confidence is%.

Consider X be the number of success, that is, water consumptions in n independent Bernoulli trials…

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A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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