Answered: Building codes in southern Florida…

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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Question

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 α = 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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