Question

Phoenix Marketing International identified Bridgeport, Connecticut, Los Alamos, New Mexico, Naples, Florida, and Washington D.C. as the four U.S. cities with the highest percentage of millionaires (USA today, December 7, 2011). Data consistent with that study show the following number of millionaires for samples of individuals from each of the four cities.


a. What is the estimate of the percentage of millionaires in each of these cities?
b. Using a .05 level of significance, test for the equality of the population proportion of millionaires for these four cities. What is the p-value and what is yourconclusion?


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  • CreatedFebruary 16, 2015
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