1. n a May 2013 Gallup poll based on a randomly selected representative sample of 1,535 adult Americans, 53% responded that they thought same-sex marriage should be legal and have the same rights as traditional marriage. A 95% confidence interval for the population proportion is found to be (0.504, 0.556). Do we have evidence that a majority of American adults support same-sex marriage?

A. We have convincing evidence that a majority of American adults support same-sex marriage, because the interval does not contain 0.50.

B. We do not have convincing evidence that a majority of American adults support same-sex marriage, because the interval does not contain 0.50.

C.We cannot say anything about all adult Americans because the sample was not selected randomly.

D. We cannot say anything about strength of evidence without knowing the p-value.