SOLUTION: P(A)=7/20,P(B)=3/5,P(A∩B)=21/100 ,P(A∪B)=?

SOLUTION: P(A)=7/20,P(B)=3/5,P(A∩B)=21/100 ,P(A∪B)=?

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Question 1181087: P(A)=7/20,P(B)=3/5,P(A∩B)=21/100 ,P(A∪B)=?
Answer by ikleyn(52776) (Show Source): You can put this solution on YOUR website!
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    P(A U B) = P(A) + P(B) - P(A ∩ B) =  =  =  =  =  = 0.74.   ANSWER

Solved, answered and carefully explained.

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