80 random men and 70 random women were sent to visit the orthodontist for the first time. 61 of the men and 55 of the women came back with braces. Write the equation for the 96% confidence interval of difference in the proportions of men and women who will get braces at the orthodontist. Use the numbers given in the problem without simplifying (except for the z or t score). You do not need to solve it out.