A study was performed to evaluate the support for increasing the speed limit between the residents. A random sample of 500 residents of Marietta - Georgia found that 385 were in favor of increasing...

Extracted text: A study was performed to evaluate the support for increasing the speed limit between the residents. A random sample of 500 residents of Marietta - Georgia found that 385 were in favor of increasing the highway speed limit to 75 mph, while another sample of 400 residents of Kennesaw - Georgia found that 267 were in favor of the increased speed limit. Do these data indicate that there is a difference in the support for in increasing the speed limit between the residents of the two cities? Use a = 0.05. (a) Test the hypothesis Ho: P1 = p2 versus H1: P1 # P2. What is zo? (b) Is it reasonable to conclude that there is a difference in the support for increasing the speed limit between the residents of the two cities?