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A recent poll found that 48% of American households have a landline. Skeptical of this claim, a researcher samples 500 Americans and finds that 234

A recent poll found that 48% of American households have a landline. Skeptical of this claim, a researcher samples 500 Americans and finds that 234 report that they still have a landline. Should the researcher believe that the percent is different from what the poll reports? Conduct a hypothesis test at the 2% level. Ho: ?

Ha: ?

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