AQuA-RAT train #88538 · Probability · Counting & chance
From a bag containing 12 identical blue balls, y identical yellow balls…
From a bag containing 12 identical blue balls, y identical yellow balls, and no other balls, one ball will be removed at random. If the probability is less than 2/5 that the removed ball will be blue, what is the least number of yellow balls that must be in the bag?
AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #88538
Stuck? A gentle nudge
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