SOLUTION: Given Pr[A]=0.16, Pr[B]=0.74, and Pr[A∩B]=0.13, find Pr[A∪B], I"m not sure how to begin, can you guide me through?

Algebra ->  Probability-and-statistics -> SOLUTION: Given Pr[A]=0.16, Pr[B]=0.74, and Pr[A∩B]=0.13, find Pr[A∪B], I"m not sure how to begin, can you guide me through?      Log On


   

Question 1020258: Given Pr[A]=0.16, Pr[B]=0.74, and Pr[A∩B]=0.13, find Pr[A∪B],
I"m not sure how to begin, can you guide me through?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
P[A∪B]=P[A]+P[B]-P[A∩B]
If the sets are disjoint,P[A∩B]=0