As part of a Pew Research Center poll, subjects were asked if there is solid evidence that the earth is getting warmer. Among 1855 respondents, 406 said that there is no such evidence. Use a 1% significance level to test the claim that less than 25% of the population believes that there is not solid evidence that the earth is getting warmer. State the null and alternative hypothesis What is the test statistics? What is the critical value? What is the P-value? What can you conclude? Can a hypothesis test be used to "prove" that less than 25% of the population believe that there is not solid evidence that the earth is getting warmer?

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 1GP
Question
100%
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As part of a Pew Research Center poll, subjects were asked if there is solid evidence that the
earth is getting warmer. Among 1855 respondents, 406 said that there is no such evidence. Use
a 1% significance level to test the claim that less than 25% of the population believes that there
is not solid evidence that the earth is getting warmer.
State the null and alternative hypothesis
What is the test statistics?
What is the critical value?
What is the P-value?
What can you conclude?
Can a hypothesis test be used to "prove" that less than 25% of the population believe that
there is not solid evidence that the earth is getting warmer?
Transcribed Image Text:As part of a Pew Research Center poll, subjects were asked if there is solid evidence that the earth is getting warmer. Among 1855 respondents, 406 said that there is no such evidence. Use a 1% significance level to test the claim that less than 25% of the population believes that there is not solid evidence that the earth is getting warmer. State the null and alternative hypothesis What is the test statistics? What is the critical value? What is the P-value? What can you conclude? Can a hypothesis test be used to "prove" that less than 25% of the population believe that there is not solid evidence that the earth is getting warmer?
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