For X Pois(), find E(X!) (the average factorial of X), if it is finite
Chapter 4, Problem 56(choose chapter or problem)
For X Pois(), find E(X!) (the average factorial of X), if it is finite.
Unfortunately, we don't have that question answered yet. But you can get it answered in just 5 hours by Logging in or Becoming a subscriber.
Becoming a subscriber
Or look for another answer