Homework Help: MATH-PLEASE HELP :(

Posted by Jen on Thursday, July 28, 2011 at 12:33pm.

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

(2 intersecting circles A & B, where A part is 50, B part is 110, and the intersecting part is 40)

Determine:

n(A)
n(B)
P(A)
P(B)
P(A|B)
P(B|A)

How in the world do i input this in my calculator?? I have no idea how to do this....

MATH-PLEASE HELP :( - mary, Thursday, July 28, 2011 at 12:47pm
I believe the answer to be P(A/B)
You just need to draw the diagram.
MATH-PLEASE HELP :( - Jen, Thursday, July 28, 2011 at 12:59pm
yes but i cannot draw how the diagram looks, so i typed how it looks....see above in parenthesis :)

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