A bag contains 3 white, 6 red, 5 blue identical balls. A ball is picked at random from bag. What is the probability that is either white or blue?
A
9/14
B
4/7
C
3/7
D
5/14
E
3/14
Verified Correct Answer: B.
Step-by-Step Mathematical Solution
P(W or B) = 3/14 + 5/14 = 4/7
Source: Myschool Past Questions Archive (Record #23908)