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Advantage: Difference between revisions

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255 bytes removed ,  29 August
Sorry, that maths is wrong. The probabilities can vary wildly.
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(Sorry, that maths is wrong. The probabilities can vary wildly.)
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=== Chances of succeeding a specific roll===
=== Chances of succeeding a specific roll===
The benefits of rolling with advantage (or the detriments of rolling with disadvantage) change depending on the target number you need on the 1d20 roll to succeed. The bonus from advantage can be as large as 24-25% when needing a 9, 10, 11, 12, or 13  on the 1d20 roll, and as small as 9% if one needs to roll a 19.  
The benefits of rolling with advantage (or the detriments of rolling with disadvantage) change depending on the target number you need on the 1d20 roll to succeed. The bonus from advantage can be as large as 24-25% when needing a 9, 10, 11, 12, or 13  on the 1d20 roll, and as small as 9% if one needs to roll a 19.  
The probability typically increases from 21% to 25%
except for parts with too high or too low probability ({{math|x}} < 35% or 85% < {{math|x}}) that do not require Advantage.
And 25% worth 5 on the dice. So you can add 5 or 4 to know the approximation.


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