AQuA-RAT train #72123 · Probability · Counting & chance

A box contains nine light out of which 4 are defective

A box contains nine light out of which 4 are defective. If four light are chosen at random, find the probability that all the four light are defective?

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AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #72123

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