Lemma
MediumCounting & chance
AQuA-RAT train #14618 · Probability · Counting & chance

5 blue marbles, 3 red marbles and 4 purple marbles are placed…

5 blue marbles, 3 red marbles and 4 purple marbles are placed in a bag. If 4 marbles are drawn without replacement, what is the probability that the result will not be 2 blue and 2 purple marbles?

This problem repeats another one in the library (at most with different numbers), so it's left out of browsing.

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AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #14618

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