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?
What is SAE? How will you manage it? What is the composition of Ethics Committee?
What can we deal with OLS when high dimension, high correlation and some other flaws in data ?
If you can only ask one survey question, what question would you ask to evaluate how people feel about xx product's entire experience?
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?
Questions regarding how long you will stay with the company
IPO comes under Which market?
A,B and C choose a integer between 1 and 100 in turn to minimize the difference between the integer they choose and an unknown uniformly distributed random integer. B knows what A chooses and C knows what A,B choose. What is A's optimal strategy?
First round: basic probability, combinatorics. A bear wants to catch 3 fish from a river. when he has caught 3 fish, he'll leave. when a fish comes, there is a 1/2 chance he'll catch it. what's the probability that the 5th fish will not be caught?
1. code the n term of Fibonacci, using iteration, then use recursion only, then use recursion and memorization. What is the time complexity and space complexity for all three cases. 2. Linear regression of X and y, X is n-dimensional and y is 1-dimensional, how would beta, standard error of beta, r2, and t-stat of beta change if you duplicate the data. Can you explain the results intuitively? 3 London has p probability of rain. You have 3 friends, they have 2/3 probability of telling truth, and 1/3 probability lying. Suppose all friends tell you rain, what is the probability it rains? 4. Leetcode
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