Subject
Quantitative Aptitude
Topic
Probability
Find the probability that it is either white or red ball when,one ball is drawn at random in a bag that contains 3 black,4 white and 5 red balls
Find the probability that it is either white or red ball when,one ball is drawn at random in a bag that contains 3 black,4 white and 5 red balls
ক)
0.5খ)
0.75গ)
0.25ঘ)
0.8Explanation
P(red ball) = 5/12 P(white ball) = 4/12 P(red or white ball) = 5/12 + 4/12 = 3/4 = 0.75Related questions
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