The Number of Customers That Enter a Store During One

question 1

Multiple Choice

The number of customers that enter a store during one day is an example of

• A) a continuous random variable.
• B) a discrete random variable.
• C) either a continuous or a discrete random variable, depending on whether odd or even number of the customers enter.
• D) either a continuous or a discrete random variable, depending on the gender of the customers.

---

Definitions:

Serotonin

A neurotransmitter that contributes to feelings of well-being and happiness.

Emotional Well-Being

A state in which an individual is able to manage stress effectively, feels engaged and fulfilled in their activities, and is capable of creating positive relationships.

Dopamine

A neurotransmitter involved in reward, motivation, and motor control, among other functions.

Lithium

Lithium is a chemical element often used in the form of lithium carbonate or lithium citrate as a mood stabilizer in the treatment of bipolar disorder and major depressive disorder.