Acommunity college in hawaii has a student-to-faculty ratio of 14 to 1. how many faculty members are at the college if it has 4,200 students? (source: hawaii. edu)

Afootball quarterback has two more chances to throw a touchdown before his team is forced to punt the ball. he misses the receiver on the first throw 25% of the time. when his first throw is incomplete, he misses the receiver on the second throw 15% of the time. what is the probability of not throwing the ball to a receiver on either throw?