Building codes in southern Florida require hurricane straps on single-family dwellings in order to more securely anchor the roof to the buildings. The straps should have no more than a 10% chance of failure in 150mph wind, and no more than a 45% chance of failure in a 200mph wind. 164 straps are tested at 200mph, and 48 of them fail. (a) Perform a hypothesis test to evaluate the claim that the straps are performing to code to an a = 0.01 (b) Provide the p – value for your test statistic determined in (a) (c) If you wished to construct a 95% confidence interval for the population proportion with half-width E = 0.01, approximately how many straps would you need to test?
Building codes in southern Florida require hurricane straps on single-family dwellings in order to more securely anchor the roof to the buildings. The straps should have no more than a 10% chance of failure in 150mph wind, and no more than a 45% chance of failure in a 200mph wind. 164 straps are tested at 200mph, and 48 of them fail. (a) Perform a hypothesis test to evaluate the claim that the straps are performing to code to an a = 0.01 (b) Provide the p – value for your test statistic determined in (a) (c) If you wished to construct a 95% confidence interval for the population proportion with half-width E = 0.01, approximately how many straps would you need to test?
MATLAB: An Introduction with Applications
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Author:Amos Gilat
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Chapter1: Starting With Matlab
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![Building codes in southern Florida require hurricane straps on single-family dwellings in order to more
securely anchor the roof to the buildings. The straps should have no more than a 10% chance of failure
in 150mph wind, and no more than a 45% chance of failure in a 200mph wind. 164 straps are tested
at 200mph, and 48 of them fail.
(a) Perform a hypothesis test to evaluate the claim that the straps are performing to code to an
a = 0.01
(b) Provide the p – value for your test statistic determined in (a)
(c) If you wished to construct a 95% confidence interval for the population proportion with half-width
E = 0.01, approximately how many straps would you need to test?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fb5312a15-860e-407c-ae9e-8729c86c8316%2Ffdf3d074-37ab-4b8b-9078-36f990e1d2ea%2Fb7oigth_processed.png&w=3840&q=75)
Transcribed Image Text:Building codes in southern Florida require hurricane straps on single-family dwellings in order to more
securely anchor the roof to the buildings. The straps should have no more than a 10% chance of failure
in 150mph wind, and no more than a 45% chance of failure in a 200mph wind. 164 straps are tested
at 200mph, and 48 of them fail.
(a) Perform a hypothesis test to evaluate the claim that the straps are performing to code to an
a = 0.01
(b) Provide the p – value for your test statistic determined in (a)
(c) If you wished to construct a 95% confidence interval for the population proportion with half-width
E = 0.01, approximately how many straps would you need to test?
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