HR reached out after passing OA. The math test interview. 2 questions were asked. One combinatorial, one optimization, but I didn't quite understood the same question. The interviewer was nice and kept give me hints, finally I got the answer.
Interview questions [1]
Question 1
1. You have numbers 1- 20 in a bag. Take 3 out, what's prob of one number is the average of the other 2 numbers?
2. Father gives 2 brothers each a penny, they can choose come with or without penny. If they come to father with penny, then father flips it. If it is head, then the brother coming with penny can go to the movie. What's the best strategy both brothers can go to the movie?
Phone Screen, only problem-solving, no research deep dive or behavior question, one about linear regression, one about three candidates voting problem, an algorithm problem about sorting. It was not so difficult but I was not well prepared so I failed.
Interview questions [1]
Question 1
Three candidates voting problem, linear regression
Started with easy probability questions, and then got hard. There was about 20 questions. Mostly tested Combinatorics and Permutations knowledge and Expectation and Variance stuff. Was a good learning experience.
online coding assessment through hacker rank. included couple easy to medium leetcode style questions. got through all of them in half the time. have not heard back yet. this is to fill up the word count