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:

Profits

The financial gain calculated by subtracting total expenses from total revenue.

Units Produced

The total number of finished products that a company manufactures during a specific period.

Variable Costing

A method of costing that includes only variable production costs (direct materials, direct labor, and variable manufacturing overhead) in the cost of goods sold and treats fixed manufacturing overhead as a period expense.

Absorption Costing

A method of accounting that encompasses all costs involved in manufacturing, including direct materials, direct labor, and both variable and fixed manufacturing overhead, as part of a product's cost.