Gay marriage In May 2012, a CNN/ORC Poll asked a random sample of 1009 U.S. adults this question: Do you think marriages between gay and lesbian couples should or should not be recognized by the law...

Gay marriage In May 2012, a CNN/ORC Poll asked a random sample of 1009 U.S. adults this question: Do you think marriages between gay and lesbian couples should or should not be recognized by the law as valid, with the same rights as traditional marriages? Of those polled, 54% said they favored marriage equality, the highest percentage to date.

a) Create a 95% confidence interval for the percentage of all American adults who support marriage equality.

 b) Based on your confidence interval, can you conclude that a majority of U.S. adults support legally recognizing gay marriages? Explain.

 c) If pollsters wanted to follow up on this poll with another survey that could determine the level of support for gay marriage to within 2% with 98% confidence, how many people should they poll?