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What is Pr(A union Bcomplement) ? (1 Viewer)

Thread starter bubb
Start date Jul 21, 2015

B

bubb

Member

#1

If Pr(A) = 0.68, Pr(B) =0.28, Pr(A uB)= 0.8 Pr(AintersectionB)=0.16

How do we find Pr(A union Bcomplement) ?

I

InteGrand

Well-Known Member

#2

bubb said:
If Pr(A) = 0.68, Pr(B) =0.28, Pr(A uB)= 0.8 Pr(AintersectionB)=0.16

How do we find Pr(A union Bcomplement) ?

$We can see from a Venn diagram that $\Pr (A \cup B^c) = (1-\Pr (B)) + \Pr (A\cap B) = (1-0.28) + 0.16 = 0.88.$$

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