# Chapter 3 - Section 3-1 - Discrete Random Variables - Exercises - Page 67: 3-2

$0$ corresponds to the case where no line is in use, and $50$ corresponds to the case where all lines are in use.

#### Work Step by Step

The possible values are all integers from $0$ to $50$

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.