[Q] Odds of a given combination of two partly correlated variables?

If two variables is completely unrelated to each other the combined odds for a given combination (say two dice rolls) are oddsofhappeningX * oddsofhappeningY (1/6*1/6=1/36 to get two sixes). Say two variables has a correlation coefficient of like 0.8 which means a explained variance of around 50%. What are the odds of a given combination now (like if rolling a high number with the dice somehow made it more likely to roll high the second time) and how do I calculate it?

submitted by /u/RagnarDa
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Nevin Manimala

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