St Louis stock car races attendance time trials first-round 12645 second-round 16234 third-round 18817 first-round 17352 2nd round 20 1896 3rd round 23773 to the nearest thousand about how many more fans attended a third-round finals than the third round time trials

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?