Mathematics, 21.03.2020 06:54 aons
Political party affiliation is believed to be a very strong indicator of how voters will vote in Presidential Elections. You are interested in determining if voter party loyalty has changed since 1992. During the 1992 election, the proportion of self-proclaimed Republicans who voted for George H. W. Bush was 0.91. During the 2012 election, in a survey of 257 Republican voters, 205 indicated that they had voted for Mitt Romney. The 90% confidence interval for this proportion is ( 0.7564 , 0.8389 ). What is the best conclusion you can make from this information that is listed below?
1) The proportion of self-proclaimed Republicans who voted for their party candidate in 2012 who changed from 0.91 is 90%.
2) We can conclude that the proportion of self-proclaimed Republicans who voted in the 2012 election for their party candidate is larger than 0.91.
3) We can claim that the proportion of self-proclaimed Republicans who voted in the 2012 election for their party candidate is smaller than 0.91.
4) The confidence interval does not provide enough information to form a conclusion.
5) We can not claim that the proportion of self-proclaimed Republicans who voted in the 2012 election for their party candidate differs from 0.91.
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Political party affiliation is believed to be a very strong indicator of how voters will vote in Pre...