Question 468134
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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