Q:

The chance of a student passing an exam is 30% , the chance of a student passing the exam and getting above 80% marks in it is 10%, if it is given that a student has passed the examination, then find the probability that the student has secure more than 80% marks in the exam ?
1. 3/8
2. 1/3
3. 1/9
4. 1/8

PROBABILITY

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