Lemma
MediumCounting & chance
AQuA-RAT train #31114 · Probability · Counting & chance

A bag contains 5 red & 3 black balls and the second…

A bag contains 5 red & 3 black balls and the second one 4 red and 5 black balls. One of is selected at random and a draw of two balls is made from it. What is the chances that one of them is red and the other is black?

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AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #31114

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