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

question 1

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 two messages?

• A)0.0067
• B)0.0014
• C)0.4200
• D)0.0842

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Definitions:

Price Rises

An increase in the market price of goods or services, often due to factors such as inflation, demand surges, or production costs.

Producer Surplus

The difference between the amount producers are willing to accept for a good or service versus how much they actually receive.

Price

The budgeted sum anticipated, imposed, or tendered in indemnity for something.

Surplus Amount

The excess quantity of a product that occurs when the supply of the product exceeds the demand for it at a given price.