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In a class 30% of the student fail in Mathematics,20% of the student fail in English and 10% fail in both.If he has failed in English, what is the probability thet he has failed in Mathematics? |
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Answer» SOLUTION :If he has FAILED in English, then the probaility that he has failed in Mathematics `i.e.,P(A/B)=P((ACAPB))/(P(B))=(10/100)/(20/100)=1/2` |
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