Advertisements
Advertisements
Question
A bag contains some balls of which x are white, 2x are black and 3x are red. A ball is selected at random. What is the probability that it is white?
Sum
Advertisements
Solution
Total number of balls = (x + 2x + 3x) = 6x.
Number of white balls = x.
∴ P(getting a white ball) = `x/(6x) = 1/6`.
shaalaa.com
Is there an error in this question or solution?
Chapter 19: Probability - EXERCISE 19 [Page 929]
