question_answer

A box contains 7 red, 3 white and 2 black balls, when a ball is picked at random from the box what is the probability that it is not red?

A)  \[\frac{1}{12}\]                               

B)  \[\frac{11}{12}\]

C)  \[\frac{7}{12}\]               

D)         \[\frac{5}{12}\]