An Article regarding interracial dating and marriage recently appeared in the Washington Post. OF the 1,709 randomly selected adults, 315 identified themselves as Latinos, 323 as black, 254 as Asian, and 779 as white. In this survey, 86% of blacks said they would welcome a white person into their families. Among Asians, 77% would welcome a white person, 71% would welcome a Latino and 66% would welcome a black person. Construct a 95% confidence interval.

1. State the confidence interval.
2. Sketch the graph.
3. Calculate the error bound.

Disclaimer: It's a weird survey but I didn't make it up