Run one iteration of bubble sort. What's the probability that the array is now sorted?
Quantitative Analyst Intern Interview Questions
10,158 quantitative analyst intern interview questions shared by candidates
(NDA so nothing specific): Easy probability/brainteaser problems, Markov chains are important
What is the probability of an even number of heads when flipping n coins?
They asked us not to share.
A questionnaire, a takehome challenge and lots of stats questions. Know well linear regression and logistic regression. For instance, they ask you to derive the OLS formula on the board.
The brainteaser was a variation of the 100 coins and 5 pirates. There were 6 pirates instead. So the premise is that there are 6 pirates and you are the captain. You must divide the coins. If 50% of the people rebel against your allocation, they kill you and the process starts again. What is the optimal allocation?
Interview 1, Q1: Find the eigenvalues and eigenvectors in a 3x3 matrix. Q2. Explain how you would find the mean value in an array. What is the time complexity of a sort function, and explain why.
How many N in [100,400] s.t. N^N is perfect square
Maximizing Sharpe ratio related question
Suppose you are given a cube, you break the cube in 3X3X3 pieces. However, before doing so, all 6 faces of the cube were colored green. All the other faces not colored green will be white after breaking it up. You randomly pick a small cube and see one face which is green. What is the probability that the cube is an edge cube?
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