Chance that a student passes the test is 10%. What is the chance that out of 400 students AT LEAST 50 pass the test? Check the closest answer: The offered answers were 5%, 10%, 15%, 20%, 25%.
Data Researcher Interview Questions
14,854 data researcher interview questions shared by candidates
Suppose you come forward with a usability recommendation, and the engineers counter that with, “All the usage data we have from millions of people suggest that is not a problem.” How would you respond?
I may fill some phone interview questions, maybe not.
Are you able to work independently and what do u expect from ur line manager
A, B and C are time series and the following rhos represent their correlation coefficients. rho(A,B)=0.7, rho(B,C)=0.8, what is rho(A,C)? Why the correlation matrix is positive semi-definite?
You keep rolling a fair die with 6 sides. What is the average number of rolling to obtain consecutive six 6s for the first time?
How to generate a gaussian distribution with rand()
Give you a fair die, how to create a event with probability 1/7
There is a unit cube with internal mirror faces. A ray is emitted into the cube from one vertex, reflects off four faces (without touching vertices or edges), and stops at the opposite vertex from which it started. What is the minimum possible distance the ray travels? The answer should be decimal format approximated to 4 digits of precision, i.e. format a.bcd as in 1.234.
How do you estimate square root of 5?
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