toss two dice. if the sum is 7, you win a dollar. if the sum is even, you lose a dollar. otherwise, roll again. what is the expected payoff?
Research Engineer Interview Questions
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If a salesman from a rival company offered to sell me his leads from another company, what would you do? Would you buy them?
There are a collection of particles. You are given a string of 'L' and 'R's, where 'L' denote a left moving particle and 'R' denote a right moving particle. The moving speed is given as another parameter. Multiple particles could stay on the same position. Give the animation of the moving particles.
X, Y iid N(0,1), p(X|X+Y=1)
Let X and Y be random variables with standard deviation a and b. What are the bounds of Var(X + Y)? Pile of 100 coins, 99 fair 1 double heads. Pick random coin, flip 10 times, get 10 heads. What is the probability the coin is double headed coin? Dice sum games.
You are given an array of integers, A1, A2, ..., An, including negatives and positives, and another integer S. Now we need to find three different integers in the array, whose sum is closest to the given integer S. If there exists more than one solution, any of them is ok. Is there an algorithm to find the three integers in O(n^2) time?
Calculate var(x) given that the data points distribute uniformly on a 3D sphere.
How would you deal with a dataset that was too large to load into memory?
What is a 1572?
How would you handle a coordinator that was not getting the work completed in a timely manner.
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