Lemma
MediumCounting & chance
AQuA-RAT train #30804 · Probability · Counting & chance

A cube with its sides numbered 1 through 6 is rolled twice…

A cube with its sides numbered 1 through 6 is rolled twice, first landing on a and then landing on b. If any roll of the cube yields an equal chance of landing on any of the numbers 1 through 6, what is the probability E that a + b is prime?

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AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #30804

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