Question

Solve the following problem :

Identify the random variable as discrete or continuous in each of the following. Identify its range if it is discrete.

An economist is interested in knowing the number of unemployed graduates in the town with a population of 1 lakh.

Answer 1

Let X = number of unemployed graduates in a town.
Here, X takes only finite values.
∴ X is a discrete r.v.
Range of X = {0, 1, 2, ...., 100000}.