1.

In a random sample of 55 members of the Statsburgh Republican Party, 41 said they would support raising the speed limit in downtown Statsburgh to 45 miles per hour. In a random sample of 75 members of the Statsburgh Democratic Party, 34 said they would support raising the speed limit. Construct a 90% confidence interval for the difference between ya, the proportion of Statsburgh Republicans who want to raise the speed limit and 192, the proportion of Statsburgh Democrats who want to raise the speed limit. Answer: We are 90% confident that [:]