You are curios if there is a difference between men and women 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 difference in proportion of men and women of the political candidate.

(b) Does your interval overlap 0? What does this signify?

(c) At the 5% signficance level, test the claim that the proportion of men vs women show approve of th politician is the same. Does this indicate the support is the same among men and women?

Answer rating: 100% (QA)

a Q 1 P 02811 p1 307400 07675 p2 340500 068 005 From Table critical values of Z 196 Confidence int... View the full answer