A bag contains 6 black and 7 white balls. One ball is drawn at random. What is the probability that the ball drawn is white?	Choose the correct choice from the following answers
A) 4  B) 4/3  C) 4/5  D) 4/9  E) 7/13
Let number of balls = (6 + 7)= 
<gadget id="calculator">(6 + 7)</gadget>
<output>13</output>
13.   Number of white balls= 7.   P (drawing a white ball) = 7/13   Hence Answer is 7/13
<result>E</result>
A bag contains 6 black and 7 white balls. One ball is drawn at random. What is the probability that the ball drawn is white?