is the intersection between the three sets A, B and C
The following Venn diagram may be of help:
Hey guys, I need some help on this problem please
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Verify the following extension of the addition rule by a) an appropriate Venn diagram and b) by a formal argument using the axioms of probability and the propositions in the chapter.
I don't understand the last part which says: because they are now adding some of the same elements twice. But the question does say VERIFY and not prove...
Thanks in advance.