All Questions
Tagged with probability dice
71
questions
10
votes
3
answers
3k
views
Dice odds: Simulating a game of Craps
My brother turns 21 in a couple of weeks and my parents and I are taking him to Las Vegas. For my 21st, I brought $200 to gamble in Vegas and came home with around $450, mostly from playing craps. I ...
- 3,841
7
votes
2
answers
6k
views
Generate a matrix of all possible outcomes for throwing n dice (ignoring order)
In cases where order does matter, it's rather easy to generate the matrix of all possible outcomes. One way for doing this is using expand.grid as shown here.
What if it doesn't?
If I'm right, the ...
- 6,614
6
votes
9
answers
13k
views
Determine Frequency of numbers showing up in dice rolls
For a game I'm trying to determine the frequency that a certain # will show up at a given # of dice being rolled. I know... that question seems odd. Let me try to explain it with real numbers.
So, ...
- 8,057
6
votes
1
answer
264
views
Expand random range of integers using probability distribution
I tried to solve the classic problem of generating a random integer between 1 and 7, given a function that generates a random integer between 1 and 5.
My approach was to add the result of 2 calls to ...
- 1,039
5
votes
2
answers
1k
views
Calculate probability of a fair dice roll (in non-exponential time)
Variations on this are pretty common questions, but all my google-fu has left me stumped. I would like to calculate the odds of a fair dice roll, but I want to do it efficiently. There are lots of ...
- 61
4
votes
4
answers
3k
views
Calculating odds distribution with 6-sided dice
I'm trying to calculate the odds distribution of a changing number of 6-sided die rolls. For example, 3d6 ranges from 3 to 18 as follows:
3:1, 4:3, 5:6, 6:10, 7:15, 8:21, 9:25, 10:27, 11:27, 12:25, ...
- 41
3
votes
1
answer
723
views
Calculate the probability in R for sum of two dice rolls
I have a matrix consist of the sum of dice 1 and dice 2 OR Y = D1 + D2
outer(1:6, 1:6, "+")
The output is:
[,1] [,2] [,3] [,4] [,5] [,6]
[1,] 2 3 4 5 6 7
[2,] 3 ...
- 241
3
votes
3
answers
2k
views
probability of T total eyes when throwing N dice with S sides
I want to calculate the probability of the event that the sum of all eyes of n dice with s sides (numbered from 1 to s) is equal to t. My language is Python 3.
My current approach is pretty much a ...
- 6,610
3
votes
3
answers
4k
views
Dice Sum Probability with Different types of Dice
I am currently working on a java application where I need to calculate the probabilities of rolling each sum for a variety of dice. The dice types I am supporting are d4 (4 sided dice), d6 (6 sided ...
- 922
3
votes
4
answers
1k
views
How to calculate the probability of getting the sum X using N six-sided dice
The Challenge:
For example, what is the probability of getting the sum of 15 when using 3 six-sided dice. This can be for example by getting 5-5-5 or 6-6-3 or 3-6-6 or many more options.
A brute force ...
- 6,706
3
votes
4
answers
2k
views
Python program that simulates rolling a 6 sided die and adds up the result of each roll till you roll a 1
so this is the code I wrote that attempts to answer the question in the title :
import random
print("Well, hello there.")
while True:
a = random.randint(1,6)
sum = 0
if(a==1): #If a one ...
- 53
2
votes
1
answer
71
views
Rolling N Non-regular Dice in Constant Time
Say I have a non-regular dice defined by probabilities in a list that add up to one, e.g [0.1, 0.3, 0.4, 0.2]. I can use the following code to simulate rolling that dice n times:
import random
from ...
- 494
2
votes
2
answers
507
views
How to make dice (uniform) distribution using coin toss?
I can use only randint(0,1), it's tossing coin (50% head, tail).
Using above, how can I make dice distribution (1 to 6 uniform distribution)?
I just think that if I toss many times enough, and sum all ...
- 187
2
votes
3
answers
98
views
Probabilities and rpg dice goes wrong for high values
I made this short code to calculate the chances of a success rolling dice, and it worked very well... but not in big numbers. Se the code, I'll explain better below.
def calc_dados(f_sucessos = 1, ...
- 31
2
votes
2
answers
416
views
How can I use a recursive loop to find the amount of times a value shows up between rolling any amount of dice with any amount of sides?
I am trying to write a function that prints out a dictionary that shows the specific amount of values a combination of same-sided dice can possibly roll.
Example output for three 6-sided dice
input: 6,...
1
vote
2
answers
859
views
Attempting to estimate the expected number of dice rolls needed to obtain all possible sums of two dice when I roll 2 6 sided fair dice
So I am doing a sample exam question in preparation for my stats exam and I have hit a dead end.
The question is asking:
If you roll two 6-sided fair dice until you get all possible outcomes (i.e. ...
- 11
1
vote
2
answers
1k
views
Formula to calculate chance (probability) of a dice side based on its value
So I am making a simple Dice that has 6 sides, but I want to modify the chances of those 6 sides.
Now my dice can have N sides, it grows, so you start with 6 sided dice and you may get up to 10 sided ...
- 7,615
1
vote
4
answers
13k
views
A Program for Simulating the Rolling of 2 Dice
The following is the whole question.
Write a program that simulates the rolling of two dice. The program
should use rand to roll the first die and should use rand again to
roll the second die. ...
- 4,565
1
vote
2
answers
117
views
Reorganise 2x36 dataframe to a 6x6 dataframe. Dice throw visualisation
I've created a data-frame of all the possible outcomes from a dice throw as 2x36 dataframe.
d1 d2
1 1 1
2 2 1
3 3 1
4 4 1
5 5 1
6 6 1
7 1 2
8 2 2
9 3 2
10 4 ...
- 181
1
vote
1
answer
136
views
Trying to find a percentage outcome of 3 dice rolls
Hey guys below I will paste my code for finding out the percentage chance of rolling the outcome (Please see my last outcome for a reminder)
Pretty much what I am trying to do is roll 3 dice store ...
- 23
1
vote
2
answers
114
views
Calculating the different outcomes for 2 to 6 different dices
updated code
I know my programming is garbage but I'm very new to this. Sorry if it's an eyesore to look at.
I have to calculate the relative frequency for the sums of 2 dice up to 6 dices. So far I ...
- 33
1
vote
2
answers
451
views
Count the Number of 6s Rolled on a Number of Dice in R
I am trying to develop code that will tell me the likelihood of rolling at least one six given 1 thru 20 die using. I am specifically trying to build a single piece of code that loops through the ...
- 387
1
vote
1
answer
290
views
Printing the probability when a die rolls all 6 sides
I am trying to print the expected amount of when a fair die is rolled and to keep rolling until all 6 sides are rolled.
What I am trying to do is when as an example a 1 is rolled it is added to a ...
- 131
1
vote
1
answer
1k
views
How to calculate the probability of the sum of n rolled m sided dice of being a certain value or greater
I'm trying to write some Python code which will calculate the probability of the sum of n rolled m sided fair dice of being a certain value or greater. The inputs are the sum of all dice rolls, the ...
1
vote
2
answers
108
views
How do i keep my loop from repeating my random values?
So i was learning how to handle probabilities and how to plot them in Python. I came across a problem where i needed to find the probability of the sum of 2 dices being > 7 or odd. I know the ...
- 23
1
vote
1
answer
9k
views
Python program that runs a game of pig with a human player and the computer
So in a nutshell, who goes first is decided randomly. When the human players turn does come up, he/she has the option to either hold or roll. If he chooses to roll, a dice is rolled and the values are ...
- 53
1
vote
1
answer
1k
views
Monte Carlo Dice Simulation in R
Hi I am trying to solve a problem where a player has $10. A coin is flipped, if the player calls it correctly he earns $1, if he is incorrect he loses $1. What are the odds that he will reach $0 ...
- 21
1
vote
3
answers
724
views
Estimating Probabilities in Perudo
I am new to coding and using R. I am working on a project to simulate the game Liar's Dice, also known as Perudo, and have some questions about creating the simulation.
Basically, the game consists of ...
- 23
1
vote
0
answers
319
views
How to create a javascript function that calculates probability percentages in values from 0-99
in the following code, pretend the two broken images are each dice that show anything from 0-9. that means that when you add their values they could show anything from 0-99 making them 100 sided.
In ...
1
vote
2
answers
3k
views
How to simulate rolling dice multiple times using PHP
I want to simulate rolling two six-sided dice X number of times using PHP to see how often each possible combination actually occurs (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, or 12). What would be a good ...
- 3,665
1
vote
2
answers
3k
views
Dice Roll Simulator C++
In class we received an assignment to make a C++ program that simulates rolling a die (or multiple). Simple enough, I did that really easy, even got it to roll more than 1 die at once and to count how ...
- 93
0
votes
2
answers
3k
views
Python - calculate die rolls and count doubles
The problem: I need to roll 3 dice. If two (or three) of the dice return the same number, stop. If the 3 dice are all unique (e.g. 2, 4, and 6) then roll again. Perform this either until doubles/...
- 1,273
0
votes
3
answers
829
views
Greater chance to roll 6 with dice in Java
I was wondering how can I program a dice which has a greater chance to roll a 6?
I've tried everything but I just cant figure the algorithm.
The probability of six is given by the user.
I just don't ...
- 284
0
votes
4
answers
7k
views
Probability Dice Game in Python with two dices
I want to interate 1000 times over the following function to find out if you win or loose money in this game.
The game is designed as such that you throw a pair of dice and get money back or loose ...
- 15.3k
0
votes
1
answer
2k
views
Dice Statistics Program
I'm trying to write a java program that asks the user to enter in the amount of dice to roll and the amount of times to roll the dice.
The program that I wrote so far isn't rolling the dice properly: ...
- 23
0
votes
2
answers
6k
views
Relative Frequency Histograms and Probability Density Functions
The function called DicePlot simulates rolling 10 dice 5000 times.
The function calculates the sum of values of the 10 dice of each roll, which will be a 1 ⇥ 5000 vector, and plot relative frequency ...
- 17
0
votes
2
answers
1k
views
How to use np.random.randint() to roll n dice, noting that each has a potentially different number of faces denoted by a vector f
I am trying to simulate the single roll of n dice, where each of the die can potentially have f faces. For example, if 𝑓=[2,5,7], then three dice with 2, 5 and 7 faces are rolled. Thank you!
- 151
0
votes
3
answers
73
views
Why does the score not equal 0 when I roll a 1?
So I'm making a dice game where if either ofd the dice roll a 1, the score is 1, but I can't seem to make that work. I believe everything else it ok.
var die1 = Math.floor(Math.random()*6 + 1);
...
0
votes
2
answers
4k
views
Throwing n dice m times, what is the probability of getting atleast one six
I have the following code trying to solve the problem below:
Thrown n dice m times, calculate the probability of getting at least one 6.
I know that the exact probability of getting at least 1 six ...
- 57
0
votes
1
answer
937
views
Dice Probability in R script [closed]
Roll five six-sided dice. Write a script in R to calculate the probability of getting between 15 and 20 as the total sum of your roll. Exact solutions are preferred.
dice <- expand.grid(1:6, 1:6, 1:...
- 33
0
votes
3
answers
292
views
Calculating the random sum and its probabilities for 1-6 dice
My error message is
File "/Users/CoconutTime/Downloads/sista_bomben.py", line 60, in probability_sums2
percentage_2 = (count[j] / freq)*100
IndexError: list index out of range
and I don't really ...
- 33
0
votes
2
answers
264
views
Show all the combinations of exploding dice
I am trying to evaluate the effectiveness of different units in a tabletop game (Mantic's Deadzone, for anyone who is interested) that uses exploding eight-sided dice (D8). For example, a player rolls ...
- 233
0
votes
2
answers
3k
views
A C++ question about dice probability calculation
Write a program to find out the probability of each
"total value" when several unbiased irregular dices (possibly with different number of
faces) are thrown at the same time.
When an unbiased dice is ...
0
votes
1
answer
2k
views
Calculating the probability of throwing five different numbers when you throw five six-sided dice
So I just started learning python 4 days ago from C++ and I got bit stuck on one coding challenge and is calculating the probability of throwing five different numbers when you throw five six-sided ...
0
votes
2
answers
3k
views
Simulates repeated rolls of a pair of dice until 100 rolls of r have been obtained; the number of rolls is then printed
I'm trying to count how many rolls it takes to get 100 rolls of a sum of two dice, r (2-12) and prints it. This is what I've tried so far:
from random import randrange
def diceprob(r):
count = 0
...
- 349
0
votes
1
answer
167
views
Dice Statistics
I wanted to build a dice Stats Simulator in Python. The idea is that you have a starting array, containing [1,...,1] for the lowest possible dice rolls, a one. I already have one example for 4d4 and ...
- 159
0
votes
1
answer
319
views
Build a function to roll a list of dice provided by `f`, and calculate the probability that the largest number among the outcomes is `x_max`
I have got up to this:
def largest_face(f, x_max):
# inputs: f is a list of integers and x_max is an integer
# output: a variable of type 'float'
#generate len(f) random throws of (len(f)...
- 151
0
votes
1
answer
602
views
Python: Roll a dice for 12 times, calculate the probability if each number equally shows up twice
I've drafted the below code for the captioned question, but the return result is always 0. Could anyone please help me figure out what's the problem here?
Thanks a lot!
import random
dice_sides = 6
...
- 21
0
votes
2
answers
4k
views
Python program that simulates a game of dice with both players controlled by the computer
The program should randomly choose which player goes first. It
should keep a total score for each player, and alternate turns between
the computer players until one player ends its turn with a score ...
- 53
0
votes
1
answer
1k
views
Python program that simulates a full one player game of pig, starting at a totalscore of 0 and playing turn after turn until it reaches 100 points
So here is a sample output:
- rolled a 2
- rolled a 1
Pigged out!
Turn score = 0
New total score = 0
- rolled a 1
Pigged out!
Turn score = 0
New total ...
- 53