SOLUTION: In a bag of keys, there are 14 silver keys, 5 black keys, 11 copper keys, and 3 painted keys of various colors. One key is drawn out at random. What is the probability that the key

Algebra ->  Probability-and-statistics -> SOLUTION: In a bag of keys, there are 14 silver keys, 5 black keys, 11 copper keys, and 3 painted keys of various colors. One key is drawn out at random. What is the probability that the key      Log On


   

Question 1156975: In a bag of keys, there are 14 silver keys, 5 black keys, 11 copper keys, and 3 painted keys of various colors. One key is drawn out at random. What is the probability that the key that is drawn is silver or copper?
Answer by Edwin McCravy(20054) About Me  (Show Source):
You can put this solution on YOUR website!
           Probability that the key that is drawn is silver or copper = 


                     Number of silver or copper keys
                     -------------------------------   =
                             Number of keys


              (Number of silvers + Number of coppers)
--------------------------------------------------------------------------------
(Number of silvers)+(Number of blacks)+(Number of coppers)+(Numbers of painteds)

                             
You can add and divide.  So you finish.

Edwin