Indentification

1. It is called that all values of the random variable must equal to 1
2. It is called that each value of the random variable must be between or equal to 0 and 1

Identify if it is continuous or discrete variable

• Number of children per family
• The types of books in the library
• The number of days someone lives
• The number of cats in a shelter at a given time
• Number of students in a class
• Number of citizens in a country
• An amount of sugar in a milk tea