Mathematics

A bag contains 3 white, 6 red, 5 blue identical balls. A ball is picked…

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
Correct Answer: Option B
Explanation

P(W or B) = 3/14 + 5/14 = 4/7