Question

Classify the following random variable according to whether it is discrete or continuous. the heigitrs of the bookcases in a school Ilbrary

a discrete
b continuous

Answer 1

The number of books purchased and the number of books sold are discrete variables, while the amount of money spent and received for the books are continuous variables.

Step-by-step explanation:

Discrete variables:

• The number of books purchased
• The number of books sold after the end of the semester

Continuous variables:

• The amount of money spent for the books
• The amount of money received when the books were sold