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:

Customers Served

The number of individual clients or customers that a business or service has provided for over a certain period of time.

Total Expenses

Total expenses encompass all costs and expenditures that a business incurs during a specific period, including cost of goods sold, operating expenses, and taxes.

Activity Variance

The difference between budgeted and actual activity levels, impacting costs and operational efficiency.

Budgeting

Drafting a blueprint for budgeting your resources, specifying a company's fiscal and operational targets.