Advantage probabilities

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====== Advantage probabilities ======

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There are two types of [[combat#advantage]]
  * For hit rolls and saving throws, you roll twice and take the higher result for advantage, or the lower result for disadvantage
  * For skill rolls, you roll an additional 3d6 for advantage, or you remove 3d6 for disadvantage

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==== Hit rolls ====
The following table shows the expected value when rolling a hit roll at disadvantage, normally, and at advantage

^Dice Rolled^Disadvantage^Normal Roll^Advantage^
|3d6	|1.0	|1.5	|2.0|
|4d6	|1.6	|2.0	|2.5|
|5d6	|1.9	|2.5	|3.1|
|6d6	|2.3	|3.0	|3.7|
|7d6	|2.8	|3.5	|4.2|
|8d6	|3.2	|4.0	|4.8|
|9d6	|3.7	|4.5	|5.3|
|10d6	|4.1	|5.0	|5.9|
|11d6	|4.6	|5.5	|6.4|
|12d6	|5.0	|6.0	|7.0|

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==== Saving throws ====
The following table shows the expected value when rolling a saving throw at disadvantage, normally, and at advantage

^Dice Rolled^Disadvantage^Normal^Advantage^
|3d6|	8.8|	10.5|	12.2|
|4d6|	12.1|	14.0|	15.9|
|5d6|	15.3|	17.5|	19.7|
|6d6|	18.6|	21.0|	23.4|

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==== Skill rolls ====
The following table shows the expected valu

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