Astore diplays will have 6 rows,12 contaners in each row. if 39 contaners has been set ups so farsa explain how to find the number of contaners that still need to be set up. then solve the problema

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?