Lemma
MediumCounting & chance
AQuA-RAT train #21997 · Probability · Counting & chance

A box contains eight bulbs out of which 4 are defective

A box contains eight bulbs out of which 4 are defective. If four bulbs are chosen at random, find the probability that exactly two bulbs are good?

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AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #21997

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