Answered: For items 9 to 13, refer to the given…

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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Transcribed Image Text:For items 9 to 13, refer to the given situation: Hauz of Gaz claims that more than two-thirds of the houses in a certain subdivision use their brand. Is there areason to doubt this daim if 25 out of a ran dom sample of 40 houses in the subdivision use the company's brand? Test the claim at 0.01level of significance. 9. What are the null and altermate hypotheses? A Ha:p = 0.67; Ho:p 0.67 B. Ha:p * 0.67; H,:p = 0.67 C Haip> 0.67; Ho:p 0.67 D. Haip> 0.67; Ho:p = 0.67 %3D 10. What type of test is appropriate for this situation? Cx-test A 2-test B. t-test D. F - test 11. Which of the foll owing are the aritical values at a = 0.01? В. 2.33 A -2.33 C +2.33 D. +2.262 12. What is the value of the test statistic? A 0.6053 B. 0.6503 C-05590 D. -0.6503 13. Based on theresult on the comparison between critical and computed value. what can be concluded? A Thereis enough evidence to reject the daim that more than two-thirds of the houses in the subdivision use Hauz of Gaz brand. B. Thereis not enough evidence to reject the claim that more than two- thirds of the houses in the subdivision use Hauz of Gaz brand. C Acceptthe alternative hypothesis. D. The given information is not eno ugh to make any conclusion.

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