Lemma
MediumCounting & chance
AQuA-RAT train #48009 · Probability · Counting & chance

A physics class has 25 students, two of whom are Alex and…

A physics class has 25 students, two of whom are Alex and Justin. Three students are chosen uniformly at random for a lab demonstration. What is the probability that at least one of Alex and Justin is chosen?

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AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #48009

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