Lemma
MediumCounting & chance
AQuA-RAT train #11218 · Probability · Counting & chance

Of the 8 members of teacher in school, 5 can teach Physics…

Of the 8 members of teacher in school, 5 can teach Physics, 7 can teach Math, and 4 can teach both subject. If one member is chosen at random, what is the probability that the member chosen will be someone who can not teach either subject?

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AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #11218

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