Mathematics, 06.05.2020 07:21 williamsa24mr238org
An NBC News/Wall Street Journal poll conducted in 2010 predicted that 61% of Americans did not support the Tea Party movement. In a poll of 1,000 Americans this year, 64% say they do not support the Tea Party movement. Has opposition to the Tea Party movement increased since 2010? We test the following hypotheses at the 5% level of significance. LaTeX: H_0H 0: The proportion of Americans this year who oppose the Tea Party movement is 0.61. LaTeX: H_aH a: The proportion of Americans this year who oppose the Tea Party movement is greater than 0.61. The P-value is 0.026. What can we conclude and for what reason? Group of answer choices The poll does not suggest that more than 61% of Americans this year oppose the Tea Party movement. Why? The poll results of 64% are too close to 61% to be statistically significant. This small of a difference is expected in random sampling, so the P-value is small. The poll does not suggest that more than 61% of Americans this year oppose the Tea Party movement. Why? The 3% difference (64%-61%) is less than the significance level of 5%. The poll provides strong evidence that more than 61% of Americans oppose the Tea Party movement this year. Why? The poll results were 64%, which is greater than 61%. The poll provides strong evidence that more than 61% of Americans oppose the Tea Party movement this year. Why? The P-value (0.026) is less than the significance level of 5%.
Answers: 1
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An NBC News/Wall Street Journal poll conducted in 2010 predicted that 61% of Americans did not suppo...
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