A random sample of 100 people was taken. Eighty-five of the people in the sample favored Candidate A. We are interested in determining whether or not the proportion of the population in favor of Candidate A is significantly more than 80%.
At 95% confidence, it can be concluded that the proportion of the population in favor of candidate A

a. is significantly greater than 80%
b. is not significantly greater than 80%
c. is significantly greater than 85%
d. is not significantly greater than 85%