Question

Let X be a random variable that denotes the number of passengers in a train station for a given hour. What are the possible values of X?

Answer 1

$\text{The number of passengers is a set of natural numbers}$

$\text{with zero included.}$

Answer:$\mathbb{N_0} = \left\{ {0,1,2,3, \ldots } \right\}$