Statistics

Find n if the N = 12,500 and e = as follows: 1) 6% 2) 8% 3) 2% 4) 10% 5) 7% Suppose now the survey is on 1,000 people who intend to vote, 650 (65%%) said they will vote for Duterte, 350 (35%) said they will vote for Roxas. This time the survey is done at: e = +/-8% . What is the 95% confidence interval for the proportion of support for the two candidates