The World Values Survey is administered periodically to random samples from societies around the globe. Listed here are 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.

SOC PS Sample C: N = 10,000 Sample B: N = 1000 Sample A: N = 100 Ps = 0.40 N = 500 s = 10 X = 100