Quote: Originally Posted by
BGM We know that Pr{X1 = 0} = Pr{X1 ≤ a} = 1/(n+1) ∀a∈[0, 2) Sorry, I do not understand the notation used at the end of this line so I can not respond to what you have said directly. Perhaps an example will help illustrate why I made the first query. The second query doesn't matter ...