Referring to the data for site 3 and site 4 in Exercise 13.31, make a 2 x

Question:

Referring to the data for site 3 and site 4 in Exercise 13.31, make a 2 x 2 table and test H0: p3 = P4 versus Hj: p3 > p4 at a = .05.
(a) Is there strong evidence that the probability a paper will be taken from the drop site is higher for site 3 than for site 4? Answer by calculating the P-value.
(b) Construct a 95% confidence interval for P3 -PA.