Lemma
MediumCounting & chance
AQuA-RAT train #36552 · Probability · Counting & chance

A shipment of 220 smartphones contains 84 that are defective

A shipment of 220 smartphones contains 84 that are defective. If a customer buys two smartphones at random from the shipment, what is the approximate probability that both phones are defective?

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AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #36552

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