A town's department of public works is concerned about adverse public reaction to a sewer project that is currently in progress. Because of this, the Commissioner of Public Works has authorized a weekly survey to be conducted of town residents. Each week, a sample of 100 residents is questioned on their feelings towards the project. The results to date are shown below. Number 1 2 3 4 5 6 7 8 Opposed 10 8 12 6 4 14 8 10 Please keep 4 decimals. (1) p-bar = ? (2) Calculate the UCL and LCL. (3) Is the community sentiment stable?