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Suppose you roll a die and earn whatever face you get. What is the expected return? Now suppose you have a chance to roll a second die. If you roll, you forfeit your earnings from the first round. When should you roll the second time?

Is it true that subqueries tend to be slower in execution than joins?

When confronted with a high-dimensional dataset in a machine learning problem, what would be your plan of action?

How is a median defined and what method would you utilize to ascertain the median of a dataset that cannot be entirely loaded into memory?

How would you describe the function of cross-validation in machine learning, and what are the benefits of using it?

Can you share a time when you had to disagree with someone's approach?

What methods do you use to earn your team's trust?

How do you perceive a Neural Network and could you detail its mode of operation?

Share an example of how you convinced someone of an idea?

Why have you decided to change your job? Why do you feel Audible is a good next step?