A Statistics Professor Receives an Average of Five E-Mail Messages

question 59

Multiple Choice

A statistics professor receives an average of five e-mail messages per day from students. Assume the number of messages approximates a Poisson distribution. What is the probability that on a randomly selected day she will have five messages?

• A) 0.0067
• B) 0.875
• C) 0.175
• D) 1.0

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Definitions:

Cocaine Use

The act of consuming cocaine, a powerful stimulant drug, which can lead to various physical and psychological effects and potentially dependency.

Schizophrenic Disorders

A complex group of mental disorders characterized by disturbances in thought, perception, affect, and behavior.

Neurological Damage

Harm or injury to the nervous system that can result in loss of function, either temporarily or permanently.

Dopamine

A neurotransmitter involved in reward, motivation, and various motor and cognitive functions.