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Q.

In a school, there are 1000 students, out of which 430 are girls. It is known that out of 430, 10% of the girls study in class XII. What is the probability that a student chosen randomly studies in class XII given that the chosen student in a girl? 

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Detailed Solution

Now  P(F)=4301000=0.43  and  P(E∩F)=431000=0.043

P(E/F)=P(E∩F)P(F)=0.0430.43=0.1

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