Define a random variable, conditionnal expectation, independency of r.v. What is a Lasso/Ridge regression ? What is a PCA ? what is the main hypothesis ? What is Monte Carlo ? Monte Carlo with rejection sampling ? What optimisation algorithms was I able to explain ? What are bayesian statistics ?
100 prisoners wearing hats, blue and green. Only one time of asking questions for each person. How to make maximum people survive.
I was asked to do a case study, e.g there's a company whose main competitor's profit margin is outpacing our company. Here I was asked to start asking the relevant questions that would give me information necessary to solve the company's problem.
I was asked to describe a recent project I had worked on.
Previous experience and brain teasers
I can't give questions details.
Probability brain teasers, coding questions
basic probability
Angle between two hands of a clock.
They do not allow discussing specific questions. But most problems are similar to brainteaser-probability questions in nature.
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