The ratio for the number of people that use an android phone to the number of people that use an iphone is 4: 5 if 56 people in the movie theater use and android phone, how many people would you expect to use an iphone show all work including labels and write a therefore statementsomeone me

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?