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

question 52

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)0.8750
• C)0.1755
• D)1.0000

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Definitions:

Social Class

A division of a society based on social and economic status, affecting people's lifestyles, education, and occupational opportunities.

Wage Earners

Individuals who receive a regular wage or salary for their employment, often contrasting with those who earn income through investments or entrepreneurship.

Labor Protest

Collective action by workers, often in the form of strikes or demonstrations, to demand better pay, conditions, or rights from their employers.

Population

The entirety of individuals inhabiting an area or making up a particular group.