Discrete variables must be countable and not negative. So no a negative number must be a continuous variable.
Yes, is a discrete variable.
Neither. It is a discrete variable.
Discrete random variable
Yes. If you are conducting a study, and collecting data, the number of cars would be a discrete variable.
yes
Discrete.
It is a discrete variable, as number of colds experienced by individuals would be one time, two times or so on. So, it is a finite category proving it a discrete variable.
That would be a discrete variable; or, in your case, it would probably be called a discrete random variable.
discrete
The random variable is discrete
number of notes in a song is discrete variables or continuous variables