A Catalog Company That Receives the Majority of Its Orders

question 152

Multiple Choice

A catalog company that receives the majority of its orders by telephone conducted a study to determine how long customers were willing to wait on hold before ordering a product. The length of time was found to be a random variable best approximated by an exponential distribution with a mean equal to 2.8 minutes. What is the probability that a randomly selected caller is placed on hold fewer than 7 minutes?

• A) 0.0009119
• B) 0.082085
• C) 0.917915
• D) 0.9990881

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Definitions:

Clinical Psychologists

Professionals specializing in diagnosing, treating, and preventing mental, emotional, and behavioral disorders through psychological methods.

Providing Therapy

The act of offering professional psychological support and treatment to individuals or groups to improve mental health and well-being.

Cognitive Psychologist

A professional who studies mental processes such as perception, memory, thought, and problem-solving.

Language Skills

Encompasses the abilities related to understanding, producing, and communicating thoughts and feelings effectively through spoken, written, and nonverbal languages.