Of 150 Chattanooga residents surveyed, 60 indicated that they participated in a recycling program. In Knoxville, 120 residents were surveyed and 36 claimed to recycle. Report the proportions of residents surveyed Chattanooga and Knoxville. Determine a 95% confidence interval estimate for the difference between the proportion of residents recycling in the two cities. Is there sufficient evidence to conclude that there is a significant difference in the population proportion of residents participating in the recycling program?

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