Math, asked by priyanshi5821, 1 year ago

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

Answers

Answered by Tezla
0
Black ball probability = 5/12.
Red ball probability = 3/12= 1/4
Answered by Ashok804432
3
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
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