Exact model
Two dice show the same number
- Probability:
- 16.7%
- Odds:
- 1 to 5
- dBan
- −7 dBan
Roll two fair dice and matching faces appear once in six rolls on average, from 1–1 through 6–6.
Calculation
p = 6 matching pairs / 36 equally likely pairs = 1/6
Assumptions
The two fair six-sided dice roll independently.
Sources
- Fair independent dice model