A sample of 300 urban adult residents of a particular state revealed 63 who favored increasing the highway speed limit from 65 to 75 mph, while a sample of 180 rural residents yielded 75 who favored the increase. (HINT: Z Test for Difference in Two Proportions)
Does this data indicate that the sentiment for increasing the speed limit is different for the two groups of residents? Let p1 refer to the urban population.