7. A recent community survey of 100 citizens showed that 55% of respondents approved of water rationing The data was simulated 500 times. In those simulations, the lowest sample was p = 45 and the highest sample was p = 66. Use the standard deviation method for determining the error margin with 95% confidence. A What is the error margin? B. What is the interval estimate for the true population proportion? C. From this estimate, can you say for certain that the majority of the community supports water rationing