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pr(AuB)=? what does that mean

 Jul 11, 2015

Best Answer 

 #1
avatar+23245 
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A and B represent two different actions.

∪ (union) means "or"  (this is an inclusive or, meaning either the first or the second or both)

pr means probability

so:  pr(A∪B) means "the probability that either A occurs or B occurs or both A and B occur".

 Jul 12, 2015
 #1
avatar+23245 
+5
Best Answer

A and B represent two different actions.

∪ (union) means "or"  (this is an inclusive or, meaning either the first or the second or both)

pr means probability

so:  pr(A∪B) means "the probability that either A occurs or B occurs or both A and B occur".

geno3141 Jul 12, 2015

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