Question 468134: The reference for your fourth discussion question was based on sample data provided by the Pew Research Center's Internet & American Life project. The article goes on to report:
Of the 2,277 respondents Pew surveyed for the research, 83 percent reported owning the former, and 56 percent the latter. MP3 player ownership stood at around 44 percent, meanwhile.
Use this information to create a 95% confidence interval for the proportion of Americans who own an MP3 player. Show/explain your work and clearly state your result.
This is a stats question. Thank you for the help.
Answer by stanbon(75887)   (Show Source):
You can put this solution on YOUR website! Of the 2,277 respondents Pew surveyed for the research, 83 percent reported owning the former, and 56 percent the latter. MP3 player ownership stood at around 44 percent, meanwhile.
Use this information to create a 95% confidence interval for the proportion of Americans who own an MP3 player. Show/explain your work and clearly state your result.
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p-hat = 0.44
ME = 1.96*sqrt[0.44*0.56/2277] = 0.0204
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95% CI: 0.44-0.02 < p < 0.44+0.02
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95% CIO: 0.42 < p < 0.46
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Cheers,
Stan H.
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