Mute ti BA in Project Management (BAPM) Quantitative Research Techniques and Statistics - Type I and Type II Errors Conduct a test to determine whether or not the population proportion of voters in favor of proposal A is greater than 50%. In a random sample of 200 voters, 140 said they were in favor of the proposal. Compute the test statistic. Z = 6.17. Z = 19.80. U Z = 5.66. Z = 7.07