SOLUTION: suppose that E and F are two events and that P(e and f)=0.2 and P(e)=0.5. What is P(f|e)?

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Question 1154596: suppose that E and F are two events and that P(e and f)=0.2 and P(e)=0.5. What is P(f|e)?
Answer by ikleyn(52787)   (Show Source): You can put this solution on YOUR website!
.

In accordance with the definition of the conditional probability,


    P(f|e) = P(e and f) / P(e).


Substitute the given values into the formula and get


    P(f|e) =  = 0.4.     ANSWER

Solved.

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On conditional probability,  see the lessons
    - Conditional probability problems
    - More conditional probability problems
in this site.


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