Two individuals are running for mayor of Pearson, Ontario. You conduct an election survey a week before the election and find that 51% of the respondents prefer candidate A. Can you predict a winner?...

Two individuals are running for mayor of Pearson, Ontario. You conduct an election survey a week before the election and find that 51% of the respondents prefer candidate A. Can you predict a winner? Use the 99% level.

P_s  0.51

n = 578

The World Values Survey is administered periodically to random samples from societies around the globe. Below are listed the number of respondents in each nation who said that they are “very happy.” Compute sample proportions and construct confidence interval estimates for each nation at the 95% level.