n​ 2010, shortly before a​ country's midterm​ elections, people in that country were dissatisfied with government an59​% of adults in the country thought that a third major party was needed. In a recent​ poll 62​% of 1111 adults in the country felt the same way. At the 10​% significance​ level, do the data provide sufficient evidence to conclude that the percentage of all adults in the country who now think that a third major party is needed has changed from that in​ 2010? Use the​ one-proportion z-test to perform the appropriate hypothesis test.     Question content area bottom

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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in​ 2010, shortly before a​ country's midterm​ elections, people in that country were dissatisfied with government an59​%
of adults in the country thought that a third major party was needed. In a recent​ poll 62​%
of 1111 adults in the country felt the same way. At the 10​%
significance​ level, do the data provide sufficient evidence to conclude that the percentage of all adults in the country who now think that a third major party is needed has changed from that in​ 2010? Use the​ one-proportion z-test to perform the appropriate hypothesis test.
 
 

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Part 1
What are the hypotheses for the​ one-proportion z-test?
 
H0​:p= ​; Ha​:p not equals≠
What is the test​ statistic?
z=
​(Round to two decimal places as​ needed.)
Identify the​ P-value.
 
The​ P-value is
 
What is the correct conclusion for the hypothesis​ test?
 
 
A.
Do not reject H0​; the data do not
provide sufficient evidence to conclude that the percentage has changed from
59%.
 
 
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