Dice notation
2d557
- 2d557
- 2 to 1114
- mean 558
- mode 558
Rolling 2d557 gives a total between 2 and 1,114, with a mean of 558 and a standard deviation of 227.3939. There are 310,249 equally likely ordered outcomes, and the most likely total is 558 at 0.18%.
The roll
Notation2d557
Dice2
Faces per die557
Minimum total2all 2 dice showing 1
Maximum total1,114all 2 dice showing 557
Distinct totals1,113
Mean558n(f + 1)/2 + modifier, exact
Variance51,708n(f² − 1)/12, exact
Standard deviation227.39393132≈
Counting the outcomes
Ordered outcomes310,249557^2, every die distinguishable
Most likely total558
Chance of that total0.179533%≈
Ways to roll it557exact count
Chance of the minimum0.00032232%≈1 in 310,249
Chance of the maximum0.00032232%≈1 in 310,249
Shape of the distribution
1,113 distinct totals, too many to list individually.
1st percentile80≈1.019% of rolls are this or lower
5th percentile177≈5.02% of rolls are this or lower
25th percentile395≈25.081% of rolls are this or lower
50th percentile558≈50.09% of rolls are this or lower
75th percentile721≈75.046% of rolls are this or lower
95th percentile939≈95.036% of rolls are this or lower
99th percentile1,036≈99.007% of rolls are this or lower
Chance of rolling at least
11397.9964%≈
28087.5%≈
55850.0898%≈
83612.5899%≈
1,0032.0397%≈
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