What is the mission of the World Bank?
Question 2
In a phone survey, if 43 percent of the 112 registered voters who participate in the survey agree that the Mayor is doing a good job as Mayor, the z-value is 1.96, and the standard error of the proportion is 0.047, the 95 percent confidence interval about the proportion is APPROXIMATELY:
a. .34 to .52
b. .41 to .45
c. .38 to .48
d. none of these choices.
