0 votes 0 votes i am not able to understand "when to use poisson random variable" concept comparing to other random variables ...can somebody explain .... Quantitative Aptitude probability engineering-mathematics discrete-mathematics + – Vicky rix asked Feb 27, 2017 retagged Jun 23, 2017 by Arjun Vicky rix 314 views answer comment Share Follow See all 0 reply Please log in or register to add a comment.