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MAT 133: Sample Final Exam, p.14 25) A researcher wants to examine the difference In the proportions of residents who use Medicare In Michigan versus

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MAT 133: Sample Final Exam, p.14 25) A researcher wants to examine the difference In the proportions of residents who use Medicare In Michigan versus California. If the researcher wants to estimate this difference with 98% confidence and a 4% margin of error, how many residents from each of the states would they need to survey? (Show formulo, substitution, and result)

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