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. data consistent with that study show the following number of millionaires for samples of individuals from each of the four cities.

city
millionaire bridgeport los alamos naples washington dc
yes 44 35 36 34
no 456 265 364 366
a) what is the estimate of percentage of millionaires in each of these cities?

b) using a 0.05 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 your conclusion?