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Set Theory- Concept clarification

Expert replies
by ankur.agrawal » Sat Feb 12, 2011 5:46 am
Plz explain the below Formula


To find the number of people in at least one set:

P(A) + P(B) + P(C) - P(A & B) - P(A & C) - P(B & C) + 2 P(A & B & C)

Plz explain with the help of venn diagram.
[/img]
Attachments
formula-Set-1.png
Venn Diagram attached
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Source: — Problem Solving |