In: Statistics and Probability
You are curious if there is a difference between men and woman for the approval percentage of a politician. Out of 400 men 307 approve and out of 500 women 340 approve.
(A) Find a 95% confidence interval for diffrence in proportion of men and women of the political candidate
(B) Does Your interval overlap 0? What does this signify?
(C) At the 5% significance level, test the claim that the proportion of men vs woman who approve of the politician is the same. Does this indicate the support is same among men and women ?