represents the number of text messages sent by a randomly chosen student during a given day.
The number of text messages is countable.
Therefore, the variable is a discrete .
Discrete; The number of text messages is countable.
![\"\"](\"/userfiles/image/steps_images/step1.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=ec7e4265f7817512500deca7c6e49aa0.png\")
represents the number of text messages sent by a randomly chosen student during a given day.![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=ec7e4265f7817512500deca7c6e49aa0.png\")
is a discrete .![\"\"](\"/userfiles/image/steps_images/solution.JPG\")