Facebook
Question: How many birthday posts occur on Facebook on a given day?
Facebook
Question: You're about to get on a plane to Seattle. You want to know if you should bring an umbrella. You call 3 random friends of yours who live there and ask each independently if it's raining. Each of your friends has a 2/3 chance of telling you the truth and a 1/3 chance of messing with you by lying. All 3 friends tell you that 'Yes' it is raining. What is the probability that it's actually raining in Seattle?
Uber
Question: What metrics would you use to track whether Uber's strategy of using paid advertising to acquire customers works? How would you then figure out an acceptable cost of customer acquisition?
Netflix
Question: How do you know if one algorithm is better than another?"
Netflix
Question: How would you build and test a metric to compare two users' ranked lists of movie/tv show preferences?
Amazon
Question: How to deal with unbalanced data where the ratio of positive and negative is huge."
Microsoft
Question: Create a function that checks if a word is a palindrome."
Microsoft
Question: There are 6 marbles in a bag. 1 is white. You reach in the bag 100 times. After drawing a marble, it is placed back in the bag. What is the probability of drawing the white marble at least once?"
Apple
Question: How do you take millions of users, with 100s of transactions each, among 10,000s of products, and group the users together in a meaningful segments?"
Google
Question: There was a question about SQL joins, string parsing in R, some simple machine learning, as well as some general questions about particularly risky or creative things you have done."
Twitter
Question: Given Twitter user data, how would you measure engagement?"
IBM
Question: How do you deal with missing data?"
LinkedIn
Question: I was asked to come up with some of the factors that could be used to produce certain algorithms ('people you may know,' and an algorithm to discover when a person is starting to search for new job.)
Question: How many birthday posts occur on Facebook on a given day?
Question: You're about to get on a plane to Seattle. You want to know if you should bring an umbrella. You call 3 random friends of yours who live there and ask each independently if it's raining. Each of your friends has a 2/3 chance of telling you the truth and a 1/3 chance of messing with you by lying. All 3 friends tell you that 'Yes' it is raining. What is the probability that it's actually raining in Seattle?
Uber
Question: What metrics would you use to track whether Uber's strategy of using paid advertising to acquire customers works? How would you then figure out an acceptable cost of customer acquisition?
Netflix
Question: How do you know if one algorithm is better than another?"
Netflix
Question: How would you build and test a metric to compare two users' ranked lists of movie/tv show preferences?
Amazon
Question: How to deal with unbalanced data where the ratio of positive and negative is huge."
Microsoft
Question: Create a function that checks if a word is a palindrome."
Microsoft
Question: There are 6 marbles in a bag. 1 is white. You reach in the bag 100 times. After drawing a marble, it is placed back in the bag. What is the probability of drawing the white marble at least once?"
Apple
Question: How do you take millions of users, with 100s of transactions each, among 10,000s of products, and group the users together in a meaningful segments?"
Question: There was a question about SQL joins, string parsing in R, some simple machine learning, as well as some general questions about particularly risky or creative things you have done."
Question: Given Twitter user data, how would you measure engagement?"
IBM
Question: How do you deal with missing data?"
Question: I was asked to come up with some of the factors that could be used to produce certain algorithms ('people you may know,' and an algorithm to discover when a person is starting to search for new job.)
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