Define the odds, calculate the chance, and simulate the outcome.
Calculate the probability based on $X$ to $Y$ odds (e.g., $4:1$).
Probability of Success:
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Formula: $P = 1 / (X + 1)$
Define outcomes and their weights (higher weight = higher chance).
Last Roll Result:
Roll to find out!
Outcome Percentages (Total Weight: 0)
Enter weights and hit 'Roll' to see probabilities.