AQuA-RAT train #91218 · Probability · Counting & chance
A box contains nine bulbs out of which 4 are defective
A box contains nine bulbs out of which 4 are defective. If four bulbs are chosen at random, find the probability that exactly three bulbs are good. A. 20/31
AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #91218
Stuck? A gentle nudge
No hints for this one.
Your answer
Checked against the answer in AQuA-RAT.