Where in the earth or a sphere, you can return to the same place once you walk 1 mile to south, 1 mile to east and 1 mile to north?
Quantitative Analyst Interview Questions
10,158 quantitative analyst interview questions shared by candidates
If you are playing tennis and are at deuce with your rival, how would you choose to proceed? There are two options: keep playing deuce rule until you or your rival wins. Or you play 3 mini points rule, who win 2 points wins the game. Assume you winning rate is 0.7 i.i.d at each point, which rule would you pick?
They asked me what the probability was of there being at least 4 heads in 7 coin flips
Chance of seeing star in 1 hour is 60%. What is the chance seeing star in half an hour? etc..
You have a bag of coins of which one half are real and the other half are fake. You need to pay for 1 1/2 hours of parking at a meter where one quarter gives you 15 minutes. Every time you put in a fake quarter the meter time is reset to 0. How many coins will you have to pull out of the bag ?
What can we deal with OLS when high dimension, high correlation and some other flaws in data ?
Given three bowls, one with two blue balls, one with two red balls, and one with a red ball and a blue ball, what is the probability of pulling a blue ball from the same bowl given that you have already pulled one blue ball from that bowl?
expectation of max value of two dices
gambling question, whether it makes sense to gamble, if the chances are very small. Calculate the odds someone will take the grand prize if one million people goes, and odds are 1 in 1 million for each entry.
What does a distribution with a maximal variance look like which is only defined between 0 and 1? Give the proof.
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