Lemma
MediumCounting & chance
AQuA-RAT train #4998 · Probability · Counting & chance

A box contains nine bulbs out of which 4 are defective

A box contains nine bulbs out of which 4 are defective. If four bulbs are chosen at random, find the probability that atleast one bulb is good.

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AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #4998

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