Due to Turnover and Promotion, a Bank Manager Knows That

question 26

Short Answer

Due to turnover and promotion, a bank manager knows that, on average, she hires four new tellers per year. Suppose the number of tellers she hires is Poisson distributed.
A) What is the probability that in a given year, the manager hires exactly five new tellers?
B) What is the average number of tellers the manager hires in a six-month period?
C) What is the probability that the manager hires at least one new teller in a given six-month period?

• A) What is the probability that in a given year, the manager hires exactly five new tellers?
• B) What is the average number of tellers the manager hires in a six-month period?
• C) What is the probability that the manager hires at least one new teller in a given six-month period?

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Definitions:

Role-playing

The act of assuming a role different from one's own life to explore different perspectives or practice skills in a safe environment.

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A group of mental disorders characterized by a disconnection and lack of continuity between thoughts, memories, surroundings, actions, and identity.

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The mistreatment or harm of a person or animal, often involving violence or manipulation, that can be physical, emotional, sexual, or neglectful in nature.

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A psychological disorder resulting from exposure to or being a part of a frightening incident, manifested through recurrent flashbacks, nightmares, intense stress, and persistent thoughts regarding the incident.