Use the Following to Answer the Questions Below

Multiple Choice

Use the following to answer the questions below:
In May 2012, President Obama made history by revealing his support of gay marriage. Around that time, the Gallup Organization polled 1,024 U.S. adults about their opinions on gay/lesbian relations and gay marriage. They found that 54% of those sampled viewed gay/lesbian relations as "morally acceptable" and that 50% felt that gay marriage should be legal.
-A 90% confidence interval for the proportion of American adults who support gay marriage is (0.475, 0.524) . Does this confidence interval provide evidence that the percentage of American adults who support gay marriage differs from 50%? State the significance level you are using.

A) No; significance level of 10%
B) No; significance level of 5%
C) Yes; significance level of 10%
D) Yes; significance level of 5%