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प्रश्न
In a class, there are 18 girls and 16 boys. The class teacher wants to choose one pupil form class monitor. What she does, she writes the name of each pupil on a card and puts them into a basket and mixes thoroughly. A child is asked to pick one card from the basket. What is the probability that the name written on the card is the name of a girl?
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उत्तर
Total no. of possible outcomes = 34 (18 girls, 16 boys)
E ⟶ event of getting girl name
No. of favorable outcomes = 18 (18 girls)
Probability, P(E) =`"No.of favorable outcomes"/"Total no.of possible outcomes"`
=18/34 =9/17
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