Multiple Choice Questions on If P E 7 15 and P F 8 15 and P EF 11 15 then find P EF ........ for CDS Exam Preparation

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Multiple Choice Questions

If P E 7 15 and P F 8 15 and P EF 11 15 then find P EF ........

Quantitative Aptitude (CDS) Probability
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    If P(E)=7/15 and P(F)=8/15 and P(E\capF)=11/15, then find P(E\capF).

    7/15

    Incorrect Answer

    11/15

    Incorrect Answer

    2/15

    Incorrect Answer

    4/15

    Correct Answer
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    Explanation:

    Given P(E)=7/15 ,P(F)=8/15,P(E?F)=11/15

    As we know that

    P(E\capF)=P(E)+P(F)-P(E\capF)

    Thus  P(E\capF)=P(E)+P(F)-P(E\capF)

     =7/15+8/15-11/15

     =15/15-11/15

     =4/15

     

    By: bhavesh kumar singh
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