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Before the last presidential debates, 50% of registered votes indicated they were planning to vote for the incumbent president. In a recent poll of 1200 registered voters after the debates, 606 indicated they are planning to vote for the incumbent president. The research question is - Has there been a significant increase in the proportion of registered voters who are planning to vote for the incumbent president (level of significance .05)?   What is the p-value?

Before the last presidential debates, 50% of registered votes indicated they were planning to vote for the incumbent president. In a recent poll of 1200 registered voters after the debates, 606 indicated they are planning to vote for the incumbent president. The research question is - Has there been a significant increase in the proportion of registered voters who are planning to vote for the incumbent president (level of significance .05)?   What is the p-value?

MATLAB: An Introduction with Applications
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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Before the last presidential debates, 50% of registered votes indicated they were planning to vote for the incumbent president. In a recent poll of 1200 registered voters after the debates, 606 indicated they are planning to vote for the incumbent president. The research question is - Has there been a significant increase in the proportion of registered voters who are planning to vote for the incumbent president (level of significance .05)?
 
What is the p-value?

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The choices of the p-value are 

 

0.306

  

0.999

  

0.082

  

0.853

 

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