question_answer

One bag contains 5 white and 4 black balls. Another bag contains 7 white and 9 black balls. A ball is transferred from the first bag to the second and then a ball is drawn from second. Find the probability that the ball is white.

A)  \[\frac{8}{17}\]                        

B)  \[\frac{5}{9}\]

C)  \[\frac{4}{9}\] 

D)  \[\frac{40}{153}\]

E)  None of these