A Bank Manager Estimates That an Average of Two Customers

question 87

Multiple Choice

A bank manager estimates that an average of two customers enters the tellers' queue every five minutes. Assume that the number of customers that enters the tellers' queue is Poisson distributed. What is the probability that fewer than two customers enter the queue in a randomly selected five-minute period?

• A) 0.1353
• B) 0.2707
• C) 0.4060
• D) 0.6767

---

Definitions:

Five-Factor Model

A model that describes personality using five broad dimensions, each of which is composed of a constellation of personality traits.

Cardinal Traits

Fundamental personality characteristics that dominate and shape an individual's behavior and attitudes.

PEN Dimensions

A psychological theory focusing on three major traits of personality: Psychoticism, Extraversion, and Neuroticism.

Hans Eysenck

A British psychologist known for his theories on personality and intelligence, emphasizing genetics over environment.