View Policies Current Attempt in Progress A random sample of 500 adult residents of Maricopa County found that 360 were in favor of increasing the highway speed limit to 75 mph, while another sample of 400 adult residents of Pima County found that 286 were in favor of the increased speed limit. Construct a 95% confidence interval on the difference in the two proportions. Round your answer to four decimal places (e.g. 98.7654). SPI - P2 S i Statistical Tables and Charts eTextbook and Media