A Gallup poll conducted in 2017 found that 648 out of 1011 people surveyed supported same-sex marriage.

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A Gallup poll conducted in 2017 found that 648 out of 1011 people surveyed supported same-sex marriage. An NBC News/Wall Street Journal poll conducted the same year surveyed 1200 people and found 720 supported same-sex marriage.

a. Find both sample proportions and compare them.

b. Test the hypothesis that the population proportions are not equal at the 0.05 significance level.

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Introductory Statistics Exploring The World Through Data

ISBN: 9780135163146

3rd Edition

Authors: Robert Gould, Rebecca Wong, Colleen N. Ryan

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Question Posted: Jul 15, 2021 01:39 AM

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A Gallup poll conducted in 2017 found that 648 out of 1011 people surveyed supported same-sex marriage.

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a The sample proportion of people who supported samesex marriage in the Gallup poll is 6481011 064 a...View the full answer

Introductory Statistics Exploring The World Through Data

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