Question

What percentage of U.S. adults oppose resident college tuition for the children of illegal immigrants?A CBS poll conducted at the beginning of October 2011 asked "Do you favor or oppose allowing the children of illegal immigrants to attend state college at the lower tuition rate of state residents?" Of the 1,012 U.S. adults in the sample, 68% were opposed with a margin of error of 3%.

Answer 1

Between 65% and 71% of U.S. adults oppose resident college tuition for the children of illegal immigrants

Explanation:

Building a confidence interval from a sample, we can estimate to the entire population.

Sample of U.S adults:

Of the 1,012 U.S. adults in the sample, 68% were opposed with a margin of error of 3%.

Population:

68% - 3% = 65%

68% + 3% = 71%

Between 65% and 71% of U.S. adults oppose resident college tuition for the children of illegal immigrants