Exact model
A four on a fair d4
- Probability:
- 25%
- Odds:
- 1 to 3
- dBan
- −4.8 dBan
A fair d4 shows four on one roll in four, on average.
Calculation
p = 1 highest result / 4 results = 1/4
Assumptions
The d4 is fair and produces one of the numbers 1 through 4 with equal probability.