Probability Crosstabulation Method

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The discussion centers on the confusion surrounding the probability crosstabulation method introduced in class. The user seeks assistance with a specific problem but lacks resources, as their textbook does not cover this method. They express difficulty in coding an array or table in LaTeX and have attached an image for clarity. The user is looking for guidance or examples from others familiar with this method to help them understand it better. Overall, the thread highlights the need for additional resources and support in learning this statistical technique.
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I don't really understand the tabulation method of computing probabilites that my professor has introduced us to, so I'm trying to get a little help on the following problem. I don' t know how to code an array or table in latex so to make my post look better I used an attachment. and use imageshack to host the image I'm really sorry about that.

http://img407.imageshack.us/img407/2716/probabilitynd3.jpg"
I really don't know where to begin I just need a push or two in the right direction. My probability book does not cover this method so all I have for a reference is my class notes
 

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Is no one familiar with this method? If so this bodes ill for this semester :(
 
Can someone just point me to a webpage or other source that has a few examples of this kind of crosstabulation?
 

Thread 'Distance between a Clock's hands when the distance is increasing most rapidly'

Question: A clock's minute hand has length 4 and its hour hand has length 3. What is the distance between the tips at the moment when it is increasing most rapidly?(Putnam Exam Question) Answer: Making assumption that both the hands moves at constant angular velocities, the answer is ## \sqrt{7} .## But don't you think this assumption is somewhat doubtful and wrong?
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