Lemma
MediumCounting & chance
AQuA-RAT train #64887 · Probability · Counting & chance

A jar contains 20 red, 20 blue, 6 yellow and 4 pink…

A jar contains 20 red, 20 blue, 6 yellow and 4 pink balls. If two balls are to be selected at random and without replacement, approximately what is the probability both of them to be the same colour?

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AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #64887

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