A bag contains 5 black balls 4 white balls and 3 red balla. If a ball is selectef at random the probabilty that it is a black or red ball is
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Black ball probability = 5/12.
Red ball probability = 3/12= 1/4
Red ball probability = 3/12= 1/4
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Total number of balls = 5 +4+3 = 12
(i) Numebr of red balls=3
Number of black balls = 5
Total number of red and black balls =8
Probability of getting a red ball or a black ball = 8/12=2/3
(i) Numebr of red balls=3
Number of black balls = 5
Total number of red and black balls =8
Probability of getting a red ball or a black ball = 8/12=2/3
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