A bag contains 9 black marbles and 1 white marble.

What is the probability of the event that is complementary to the event of drawing a black marble from the bag?

A.1/10

B.1/9

C.8/9

D.9/10

Question

A bag contains 9 black marbles and 1 white marble. 

What is the probability of the event that is complementary to the event of drawing a black marble from the bag?
 
 A.1/10
   
 
 B.1/9
   
 
 C.8/9
   
 
 D.9/10

anonymous · Answer

will give medals and become a fannnn plz help me

anonymous · Answer

i think its C. but im not sure.

anonymous · Answer

There are a total of 10 marbles in the bag, it would NOT be A or B because that would be for drawing a white marble. 
It would have to be D 9/10 because 9 of the marbles are black and there is one white.
9+1=10