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Six students, Michelle, Nadir, Olivia, Parvi, Quinn, and Richard, are running for four identical positions on student council. What is the theoretical probability that Nadir will be chosen as part of the group? Enter your answer in fraction form.
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GPT-5 mini
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2/3
Reason: total committees = C(6,4) = 15. Committees including Nadir = C(5,3) = 10. Probability = 10/15 = 2/3. (Or by symmetry: 4 of 6 people get chosen, so Nadir's chance is 4/6 = 2/3.)
Reason: total committees = C(6,4) = 15. Committees including Nadir = C(5,3) = 10. Probability = 10/15 = 2/3. (Or by symmetry: 4 of 6 people get chosen, so Nadir's chance is 4/6 = 2/3.)
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