throwing a dice until the face 6 comes up two times, what is the expected stopping time
Senior Research Data Analyst Interview Questions
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If implied volatility is lower than realized, how does one make money hedging a call option?
draw random variables from uniform distribution[0,1], stop when the sum exeed one. what's the expectation of the sum?
which has higher probability? 1. roll a dye twice, get two 6 2. roll a dye ten times, never get a 6
How many people in a group so that at least two of them have a birthday on the same month?
The probability that the sum of 2 prime numbers between 1 and 20 is even?
I randomly pick four numbers from the first fifteen primes. What is the probability that their sum is odd?
I was asked how technology could be used to help the company.
If you toss a fair coin N times, what is probability that you will get an even number of heads? Follow up: now what if you have N - 1 fair coins, and the Nth coin is not fair, but lands on heads with probability p?
Build a program to process data from an emitter. The data arrives ordered and for every received record your program may take from 0.1 to 5 seconds to process. The processed data has to be given to a stream, ordered and in real time. For the sake of the example the processing time is random sleeping between 0.1 to 5 seconds.
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