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5E's "Missed Opportunities?"
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<blockquote data-quote="Blue" data-source="post: 7511220" data-attributes="member: 20564"><p>If you need a 20, you have a 5% normally, and a 5% + 95%*5% = 9.75%. Slightly less than a +1. If you need a 2 you have a 95% to succeed normally, and 95% + 5% * 95% = 99.75%, agains slightly less than +1. This is the minimum.</p><p></p><p>If you need an 11, you have a 50% normally, and a 50% + 50% * 50% = 75% with advantage. That's the equivalent of +5. This is the maximum.</p><p></p><p>Your +/-6 to +/-7 is outside the range of what is possible. That mean it is likely not the average. You may want to double check you math. One common mistake I've seen is working out to roll 2d20 and subtract the higher fromt he lower. That's really comparing advantage (best for 2d20) with disadvantage (worst of 2d20). It's clear if you work it out as percentages what it can be for every target.</p></blockquote><p></p>
[QUOTE="Blue, post: 7511220, member: 20564"] If you need a 20, you have a 5% normally, and a 5% + 95%*5% = 9.75%. Slightly less than a +1. If you need a 2 you have a 95% to succeed normally, and 95% + 5% * 95% = 99.75%, agains slightly less than +1. This is the minimum. If you need an 11, you have a 50% normally, and a 50% + 50% * 50% = 75% with advantage. That's the equivalent of +5. This is the maximum. Your +/-6 to +/-7 is outside the range of what is possible. That mean it is likely not the average. You may want to double check you math. One common mistake I've seen is working out to roll 2d20 and subtract the higher fromt he lower. That's really comparing advantage (best for 2d20) with disadvantage (worst of 2d20). It's clear if you work it out as percentages what it can be for every target. [/QUOTE]
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