An urn contains 5 black and 3 white balls

An urn contains 5 black and 3 white balls. Two balls are drawn from the urn one after the other without replacement. What is the probability that both drawn balls are black?

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

AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #24744