2.99 See Answer

Question: A Gallup poll conducted in 2017 found


A Gallup poll conducted in 2017 found that 648 out of 1011 people surveyed supported same-sex marriage. An NBC News/Wall Street Journal poll conducted the same year surveyed 1200 people and found 720 supported same-sex marriage.
a. Find both sample proportions and compare them.
b. Test the hypothesis that the population proportions are not equal at the 0.05 significance level.

2.99

See Answer