Question 1202714: P(AB)=1/3, P(A+B)=2/3, Find P(B). Show that P(A)=1/2 if P(AB)=1/6.
Answer by ikleyn(52797)   (Show Source):
You can put this solution on YOUR website! .
As posed, printed and presented, this "problem" is DEFECTIVE and is not a Math problem, at all.
First error is that two questions are packed in one post, which is prohibited at this forum.
When you pack two problems/questions in one post, you make a MESS.
It is very difficult, unpleasant and counter-productive to discuss a mess.
Therefore, I will not discuss it, at all.
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About the rules posting to this forum, see this web-page
https://www.algebra.com/tutors/students/ask.mpl?action=ask_question&topic=Equations&return_url=http://www.algebra.com/algebra/homework/equations/
from which you post your problems.
It is much better to post one question/problem, presented correctly,
than to post 2 or more questions/problems, presented incorrectly.
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