A bag contains 5 white and 7 red balls.


A bag contains 5 white and 7 red balls. One ball is drawn at random. What is the probability that ball drawn is not black?


GIVEN: A bag contains 6 red, 8 black and 4 white balls and a ball is drawn at random

TO FIND: Probability that the ball drawn is not black

Total number of balls 

Total number of black balls is 8

We know that PROBABILITY = 

Probability of getting a black ball 

We know that sum of probability of occurrence of an event and probability of non occurrence of an event is 1.







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