Two Well-Known Aviation Training Schools Are Being Compared Using Random

Multiple Choice

Two well-known aviation training schools are being compared using random samples of their graduates. It is found that 70 of 140 graduates of Fly-More Academy passed their FAA exams on the first try, compared with 104 of 260 graduates of Blue Yonder Institute. To compare the pass rates, the pooled proportion would be:

A) .500
B) .435
C) .400
D) .345