7
votes
2answers
724 views

Probabilities using 3d10 as 1d1000 [duplicate]

I'm trying to use anydice to figure out the probabilities of the various values of 1d1000 rolled on 3d10. I want to know stuff like "what's the chance of rolling 900 or higher? How about 950 or ...
5
votes
2answers
775 views

How do I calculate dice probability in the A Song of Ice and Fire system?

Say I need a net hit of 20 or higher. I get to roll 5d6 base, but I get a bonus dice roll of +3. I only get to keep the 5 highest so I would be rolling "8d6 drop lowest 3 rolls" I want to know what ...
7
votes
3answers
998 views

How can I get AnyDice to determine these odds?

After looking at AnyDice's Documentation and Function Library, I remain baffled. I know that AnyDice can do this, but I don't know how to tell it to. Scott Gray's Dice Pool Generator is easier to use ...
6
votes
2answers
436 views

How much is a Second roll worth in Modifier Bonus

That is to say, the value of a second roll, how much of a bonus value is it worth. For example: when you make a saving throw, attack or check roll, when does +bonus to the roll and rolling twice ...
4
votes
3answers
475 views

Calculating dice pool probability with limited rerolls

I need a probability calculation script that works with various dice and dice pool sizes, that accounts for a mechanic that allows you to reroll up to X dice that are failures, but ONLY once per die. ...
24
votes
7answers
5k views

Is it the same using 1d100 and using 2d10 (one percentile)?

I know d100s are shunned because they take too much time to roll, and 1d10+1percentile is really fun, but do they share the same probabilities? Is it better to use a (digital) d100? Also, do d100s ...
0
votes
3answers
276 views

What is the probability for a thousand with 3 D10

I'm trying to figure out what is the probability with 3 D10's if I were to roll them one after another."001" is one and "000" is a thousand. Would every number have the same probability or doubles and ...
32
votes
7answers
2k views

Is it possible to produce a bowl-shaped probability curve with dice rolls?

In D&D's basic D20 system, you roll one d20 and add in some modifiers, then compare the result to a target number. Each modifier effectively adds or removes a 5% chance of success with the roll. ...
6
votes
2answers
821 views

Polyhedral dice statistics program, spreadsheet, or document [closed]

Does anyone know of a program that does statistical analysis on dice rolls, or a document of tables for the same? I am looking mainly for statistics other than d6 (which are very common in most ...
17
votes
6answers
2k views

Earthdawn dice roll probabilities

After ad-hoc running Misguided Ambitions with my regular DnD 4E group - because one guy was MIA - I had a discussion with one of the players about Earthdawn's dice mechanics. The player argued that ...
53
votes
11answers
7k views

3d6 vs a d20: What is the effect of a different probability curve?

What is the effect on game play of replacing d20 rolls with 3d6 rolls in a D&D 4e campaign? I started thinking about this after reading this question where the example was given of playing a d20 ...
15
votes
6answers
3k views

What is the statistically superior character creation method, twelve 3d6 or six 4d6?

The D&D 3.5 Player's Handbook gives (among others) two preferred methods to roll ability scores for a new character: a) roll 3d6 twelve times and keep the preferred six results, or b) roll 4d6 and ...