Customers Arrive at a Single Self-Serve Coffee Machine in a Busy

question 23

Multiple Choice

Customers arrive at a single self-serve coffee machine in a busy mall at the rate of 20 per hour, following Poisson distribution. Each customer takes exactly 90 seconds to get his or her coffee. What is the expected number of customers in queue at this coffee machine?

• A) 1.0
• B) 1.5
• C) 0.5
• D) 2.0
• E) 3.0

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Definitions:

Approach-approach Conflict

A psychological dilemma occurring when an individual faces two equally desirable but mutually exclusive goals or options.

Puberty

The period during which adolescents reach sexual maturity and become capable of reproduction.

Sexual Encounter

An interaction between individuals that involves sexual activities or behavior.

Self-concept

An individual's perception of themselves, encompassing beliefs, attributes, and feelings about one's identity and capabilities.