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What is the probability of selecting a male from a group of four males and eight females

I believe that this is a simple probability question but I do not know the answer please help

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Meena S. | Patient & knowledgeable Mathematics & Statistics (SPSS) TutorPatient & knowledgeable Mathematics & St...
4.5 4.5 (56 lesson ratings) (56)
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Total number of male & female= 12
 
Probability of a male = number of males / total no of male & female
                               =4/12 
                               =1/3
Arturo O. | Experienced College Instructor for Physics TutoringExperienced College Instructor for Physi...
5.0 5.0 (53 lesson ratings) (53)
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P = 4/(4 + 8) = 4/12 = 1/3 ≅ 33.3%