Samesex marriage: In a recent 2015 ABC News/Washington Post poll, 1,016 adults nationwide answered the question, “Overall, do you support or oppose allowing gays and lesbians to marry legally?” Of the respondents, 619 support same-sex marriage. What is the 95% confidence interval for the proportion of all American adults who support same-sex marriage? 1. (0.594, 0.624) 2. (0.570, 0.648) 3. (0.584, 0.634) 4. (0.579, 0.639)

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Samesex marriage: In a recent 2015 ABC News/Washington Post poll, 1,016 adults nationwide answered the question, “Overall, do you support or oppose allowing gays and lesbians to marry legally?” Of the respondents, 619 support same-sex marriage. What is the 95% confidence interval for the proportion of all American adults who support same-sex marriage?


1. (0.594, 0.624)
2. (0.570, 0.648)
3. (0.584, 0.634)
4. (0.579, 0.639)
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