AQuA-RAT train #84712 · Probability · Counting & chance
A box contains 3 yellow balls and 5 black balls
A box contains 3 yellow balls and 5 black balls. One by one, every ball is selected at random without replacement. What is the probability that the fourth ball selected is black?
AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #84712
Stuck? A gentle nudge
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