in a class of 12 students,5 are boys and rest are girls. find tge probability the a students selected will be girls.in a class of 12 students,5 are boys and rest are girls. find tge probability the a students selected will be girls.
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Total no of students=5(boys) +7(girls)
Selecting a girl among total no of boys=7c1=7
2.Selecting a boy from total =5c1= 5
Probability of student select from the class
=7/5
Selecting a girl among total no of boys=7c1=7
2.Selecting a boy from total =5c1= 5
Probability of student select from the class
=7/5
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2
P (students selected will be a girl) = 7/12.
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