A coding question. You have a list of integers, how do you write a code to find the largest integer in the list and the number of times it appears?
Quantitative Programmer Interview Questions
35 quantitative programmer interview questions shared by candidates
The phone interview went in depth into past research. Be prepared to discuss it.
well all questions were all right.
X and Y are two independent variables with uniform distributions form 0 to 1. Z = X + Y. What is the variance of Z. What is the correlation between X and Z? What does the distribution of Z look like?
Bag with 100 coins. One of them is double headed, the rest are fair. You flip it n times and get n heads. What would your intuition be on whether you have the double headed coin or not? What would the probability be that you have the double headed coin be as n goes to infinity? How many flips would it take for you to be 50% sure? You flip it seven times, what is the probability you have the double headed coin?
If I flip a coin 9 times, what is the minimum number of heads I need observe to reject the null hypothesis that the coin is unbiased towards heads to 90% confidence?
We both play a game where we flip a coin. You win if 3 heads appear, I win if 3 tails appear. What is the expected number of flips for the game to end.
There were a few questions on probability- tossing a coin 5 times, what is the expected value, when the game is likely to end if the winner needs to get 'head' three times in a row.
Specific questions on statistical models
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