question_answer

There are fifteen horses in a stable, of which 5 are black, 2 are red, 6 are white and 2 are of mixed colors. All the black and mixed color horses are hybrid. If one horse is chosen at random, find that it is a hybrid horse.

A)  \[\frac{9}{15}\]                        

B)  \[\frac{1}{5}\]

C)  \[\frac{7}{15}\]

D)  \[\frac{1}{3}\]

E)  None of these