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Assuming you are randomly drawing values each day from a normally distributed variable with a mean of 0 and a standard deviation of 1, what is the expected number of days it would take for you to draw a value greater than 2?

In supervised learning models, what differentiates bagging from boosting, and how do they impact the bias and variance of the model?

Tell me about a project where you feel you made an enormous impact? What kind of data were you using to make decisions?

How would you design a vending machine differently?

What design considerations would you have for a photo gallery app with an endless scrolling carousel?

What would you do if you had to launch a new product idea?

Why are you looking for a job at the moment?

Design a system for detecting fraudulent transactions at PayPal

A customer's critical system is down. How do you coordinate between their team and internal engineers to resolve it?

What do you think are your top three personality traits that make you successful? How do they align with PayPal?