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Name: 1.Five hundred thirteen (513) homes in a certain southern California c
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Description: 1.Five hundred thirteen (513) homes in a certain southern California community are randomly surveyed to determine if they meet minimal earthquake preparedness recommendations. One hundred seventy-six (176) of the homes surveyed met the minimum recomm

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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1.Five hundred thirteen (513) homes in a certain southern California community are randomly surveyed to determine if they meet minimal earthquake preparedness recommendations. One hundred seventy-six (176) of the homes surveyed met the minimum recommendations for earthquake preparedness and 337 did not.

Find the point estimate for the population proportion of homes that do not meet the minimum recommendations for earthquake preparedness. (Round your answer to four decimal places.)

2.Five hundred nineteen (519) homes in a certain southern California community are randomly surveyed to determine if they meet minimal earthquake preparedness recommendations. One hundred seventy-one (171) of the homes surveyed met the minimum recommendations for earthquake preparedness and 348 did not.

Find the confidence interval at the 90% confidence level for the true population proportion of southern California community homes meeting at least the minimum recommendations for earthquake preparedness. (Round your answers to three decimal places.)

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3.According to a Field Poll conducted, 79% of adults (actual results are 400 out of 506 surveyed) feel that "education and our schools" is one of the top issues facing the state. We wish to construct a 90% confidence interval for the true proportion of adults who feel that education and the schools is one of the top issues facing the state.

Find a 90% confidence interval for the population proportion. Round your answers to three decimal places.

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