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Description: The finance director of a large city was concerned about the percentage of tax payers who were paying their property taxes on time. It was unclear if the proportion of tax payers paying on time was more or less than the 2014 level of 95%. To determin

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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The finance director of a large city was concerned about the percentage of tax payers who were paying their property taxes on time. It was unclear if the proportion of tax payers paying on time was more or less than the 2014 level of 95%. To determine if the on-time proportion had changed, an 2019 SRS of 500 tax bills was examined. 460 of them were on time. Is the finance director's concerns well-founded? Test the appropriate claim at the 0.05 level of significance. a) Formulate the claim b) Calculate the test statistic. c) Calculate the p-value. d) Formulate the conclusion statistically. ( e) Formulate the conclusion practically.

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