SOLUTION: Pr[A∪B]=0.82 ,   Pr[A]=0.69 , and   Pr[B]=0.56 , find   Pr[A∩B]

Algebra ->  Probability-and-statistics -> SOLUTION: Pr[A∪B]=0.82 ,   Pr[A]=0.69 , and   Pr[B]=0.56 , find   Pr[A∩B]      Log On


   



Question 1068559: Pr[A∪B]=0.82
,  
Pr[A]=0.69
, and  
Pr[B]=0.56
, find  
Pr[A∩B]

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Pr[A∪B]=0.82
,
Pr[A]=0.69
, and
Pr[B]=0.56
, find
Pr[A∩B] = P(A)+P(B) - P[A or B]
-----------
= 0.69+0.56-0.82
-----------
= 1.25 - 0.82
-------------
= 0.43
------------
Cheers,
Stan H.
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