At the end the university obtained two independent samples from each of the campuses. From campus

A they selected a simple random sample of 200 students from which 107 said they are satisfied with the

appearance of the buildings and grounds and from campus B the selected an independent sample of 300

students from which 145 said they are satisfied.

A 95% confidence interval for the difference of the proportions from both campuses

A B p p was

obtained using the TI - 84 2-PropZInt. The interval was:

(0.0376, 0.1410)

(d) Define the parameters in the context of this problem. (

A p

and

B p

)