The table below gives the typical number of days of rainfall in spring and fall in death valley, california. spring (event s) fall (event f) rain (event r) 7 6 no rain or dry (event d) 115 116 on average, what is the approximate percent chance of rainfall on a given day in spring or fall in death valley? 4.9% 5.3% 5.6% 6.0%

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?