Problem 2. You are hired by Southwest Airlines (SWA) to perform statistical analyses of their air routes. Your task is to estimate the proportion of vacation routes operated by SWA. In a sample of 638 routes operated by SWA, you observe 170 vacation routes. 2a) Construct a 99% confidence interval for the proportion of SWA vacation routes. (WORK REQUIRED for CREDIT; 6 points) ANSWER: 2b) Provide a specific interpretation, meaning INCLUDE NUMBERS and IDEAS for the confidence interval from part a? (WORK REQUIRED for CREDIT; 6 points) 2c) You show the confidence interval from part a to the SWA's Senior Vice President (SVP) for Operations. He believes the confidence interval seems "too wide." Offer two separate actions to reduce the width of the confidence interval: (3 points each) ii