A hypothesis test is performed in which the research (alternative) hypothesis states that more than 15% of a population are unemployed. The p-value for the test is calculated to be 0.018 (with the alpha = 0.05). Which of these statements is correct? A. We reject the null hypothesis and conclude that the research hypothesis is correct: more than 15% of the population are unemployed. B. We reject the null hypothesis and conclude that more than 18% of the population are unemployed. C. We fail to reject the null hypothesis and conclude that exactly 15% of the population are unemployed. D. We fail to reject the null hypothesis and conclude that exactly 85% of the population are unemployed.

Decision rule : Reject null hypothesis (H0) if p-value less than significance level α Otherwise…

Answered: A hypothesis test is performed in which…

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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A hypothesis test is performed in which the research (alternative) hypothesis states that more than 15% of a population are unemployed. The p-value for the test is calculated to be 0.018 (with the alpha = 0.05). Which of these statements is correct?

		A. We reject the null hypothesis and conclude that the research hypothesis is correct: more than 15% of the population are unemployed.
		B. We reject the null hypothesis and conclude that more than 18% of the population are unemployed.
		C. We fail to reject the null hypothesis and conclude that exactly 15% of the population are unemployed.
		D. We fail to reject the null hypothesis and conclude that exactly 85% of the population are unemployed.

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