Lectures - 3.3 Stochastic Processes and Trees

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Quiz 3.3 #1

Urn A has 2 red balls and 1 green ball.
Urn B has 3 red balls and 3 green ball.
An urn is randomly selected, and a ball is randomly drawn from that urn.
What’s the probability that a green ball is drawn?

  • A. 1/3
  • B. 5/12
  • C. 1/2