Question: Your data science team is working on a machine learning product that can act as an artificial opponent in video games. The team is using a machine learning algorithm that focuses on rewards: If the machine does some things well, then it improves the quality of the outcome. How would you describe this type of machine learning algorithm?

  1. semi-supervised machine learning
  2. supervised machine learning
  3. unsupervised machine learning
  4. reinforcement learning

Answer: The correct answer of the above question is Option D:reinforcement learning