Q. 253.7( 6 Votes )

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 XII. What is the probability that a student is chosen randomly studies in Class XII given that the chosen student is a girl?

Answer :

Given: Total Number of students = 1000

Number of Girls = 430

% of girls in Class XII = 10%

Let A be the event of Student chosen studies in Class XII

And Let B be the event that the student chosen is a girl


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