A survey was conducted to determine the proportion of Democrats as well as Republicans who support a

Question:

A survey was conducted to determine the proportion of Democrats as well as Republicans who support a “get tough” policy in South America. The results of the survey were as follows: Democrats: n = 250 number in support = 120 Republicans: n = 200 number in support = 105. Construct the 98% confidence interval for the difference between the proportions of support.