1. ## Percentile dice

For the last years my group has experienced some issues with percentile dice - repetitive rolls and predictable dice, etc. Now, I do not have any statistical analysis that supports this "skin feeling", but we had the distinct impression that throwing two d10 is more random than throwing a percentile die. For the record, we play percentile games so most rolls are d100s.

And I remember Doug telling that the only hypotetical problem that he could imagine was the case of dice thrown together as they could share the same angle and force of throw.

Has any thought gone to this subject so far?

2. Yes, many times. No one, to my knowledge, has ever provided any statistics that show that the rolls are anything but random. You can search the forums here for some in depth technical and statistical discussions if you want to delve into the topic.

3. I've never seen this. I assume it is possible, but I imagine it would look like a single die bouncing around instead of two. Though I would think there is a small chaos factor in the ricochet that would cause them to veer differently.

4. Originally Posted by LordEntrails
Yes, many times. No one, to my knowledge, has ever provided any statistics that show that the rolls are anything but random. You can search the forums here for some in depth technical and statistical discussions if you want to delve into the topic.
I have seen them, indeed. And the statistical data was clear. Yet Doug made one comment that left one - very slight - chance of there being trouble in place.

5. Originally Posted by RosenMcStern
I have seen them, indeed. And the statistical data was clear. Yet Doug made one comment that left one - very slight - chance of there being trouble in place.
I think everyone feels that it is possible. But without evidence it's trying to prove a negative.

If you think you've had non-random rolls, then you can take the chat log and strip out the roll values and run an analysis. Doug has done that with a dozen or so community contributed logs, and things still seem random. But, you never know.

6. Originally Posted by LordEntrails
I think everyone feels that it is possible. But without evidence it's trying to prove a negative.

If you think you've had non-random rolls, then you can take the chat log and strip out the roll values and run an analysis. Doug has done that with a dozen or so community contributed logs, and things still seem random. But, you never know.
This sounds like the best option, you are right.

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