SOLUTION: Consider the Venn diagram below. The numbers in the regions of the circle indicate the number of items that belong to that region. The diagram has 2 circles and an intersection

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Question 674672: Consider the Venn diagram below. The numbers in the regions of the circle indicate the number of items that belong to that region.

The diagram has 2 circles and an intersection in the middle of the two- in circle A is the number 30 in circle B is the number 90 the intersected part has 20.
Determine-
1) n (A)
2) n (B)
3) p (A)
4) p (B)
5) p (AǀB)
6) p (BǀA)
Answer by ewatrrr(24785) About Me  (Show Source):
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 1) n (A) 50

 2) n (B) 110

 3) p (A) 50/140

 4) p (B) 110/140

 5) p (AǀB) %2820%2F140%29%2F%28110%2F140%29+=+20%2F110

 6) p (BǀA) %2820%2F140%29%2F%2850%2F140%29+=+20%2F50

P(X|Y) = P(X and Y)/P(Y)