- Is the draw fair?
- Every entry has the same probability, and the shuffle uses the Fisher-Yates method, which produces every possible order with equal chance.
- Can the same name win twice?
- Yes, draws are independent. For a raffle with multiple winners, delete each winner from the list before the next draw, or shuffle once and read winners from the top.
- Do duplicate entries change the odds?
- Yes: a name listed twice has twice the chance. That is also the easy way to weight entries deliberately.
- Is this suitable for prize draws?
- For informal draws, yes. Regulated lotteries and sweepstakes usually require a documented, auditable procedure; check the rules that apply to yours.