There are 12 students in a class in which 5 boys and remaining are girls. If out of them one student is to be chosen, then what is the probability that chosen student is a girl?

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Solution

number of girls 12 - 5 = 7
When only one student is to be chosen that the probability that the chosen student is girl $= \frac{7}{12}$

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There are 12 students in a class in which 5 boys and remaining are girls. If out of them one student is to be chosen, then what is the probability that chosen student is a girl?

number of girls 12 - 5 = 7When only one student is to be chosen that the probability that the chosen student is girl =712

number of girls 12 - 5 = 7
When only one student is to be chosen that the probability that the chosen student is girl $= \frac{7}{12}$