A random sample of n₁ = 272 people who live in a city were selected and 82 identified as a gambler. A random sample of n2 95 people who live in a rural area were selected and 60 identified as a gambler. Find the 99% confidence interval for the difference in the proportion of people that live in a city who identify as a gambler and the proportion of people that live in a rural area who identify as a gambler. Round answers to 2 decimal places, use interval notation with parentheses (,) =