Problem 21 of 7
Design fair selection with unequal groups choose one winner from 3 candidates who bought 1, 2, and 3 lottery tickets respectively, ensuring each candidate has an equal chance.
Using a hint is okay. It just tells the trainer to give you a little more review.
Hidden until you reveal it.
map outcomes to equal participant probabilities.
Hidden until you reveal it.
Map outcomes to equal participant probabilities using rejection sampling or weighting.
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Your answer is equivalent to the expected form.
Walkthrough
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1. Identify whether fairness is by person or by group.
2. Choose equally likely random outcomes or use rejection sampling.
3. Verify each target has equal probability.
Use the worked steps, then substitute the final answer back into the original relationship to confirm it satisfies the prompt.
Assigning unequal-probability random outcomes directly to participants.