A bag contains 40 black balls and 50 white balls. One ball is drawn at random. What is the probability that the ball drawn is white? Select: A) 2/5 B) 5/7 C) 1/2 D) 1/4 E) 1/3
Total number of balls = 40+50 = 70   no. of white balls = 50   probability of drawing a white ball = 50/70 = 5/7   Answer is 5/7
<result>B</result>
A bag contains 40 black balls and 50 white balls. One ball is drawn at random. What is the probability that the ball drawn is white?