Lemma
MediumCounting & chance
AQuA-RAT train #49110 · Probability · Counting & chance

In a group of 160 people, 90 have an age of more…

In a group of 160 people, 90 have an age of more 30 years, and the others have an age of less than 20 years. If a person is selected at random from this group, what is the probability the person's age is less than 20?

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AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #49110

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