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OpenStudy (anonymous):
Joint Probability Function
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OpenStudy (anonymous):
OpenStudy (anonymous):
i am just lost on this problem
OpenStudy (tkhunny):
Just build the table.
OpenStudy (tkhunny):
Do you see how to do it? The top grid is the given probabilities, given the specified values of X and Y. The bottom grid is the sum of X+Y. Which of these fit the criteria?
OpenStudy (anonymous):
i see it, so to find the p(X+Y>3), would i add up the joint probabilities that are greater than 3?
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OpenStudy (tkhunny):
That's it. I colored them yellow, for you. Can you do the X*Y now?
OpenStudy (anonymous):
Yes, Thank you!
OpenStudy (dan815):
ty tkhunny
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