Identify the type of random variable-binomial, Poisson, or hyper geometric described by each of the following probability distributions:
P (x) = 5xe-5 / x! (x = 0, 1, 2, ...)

P (x) = 10! / {x! (10 - x)!} * (.9)x (.1)10-x (x = 0, 1, 2, ....10)