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:

Personal Pizzas

Small-sized pizzas intended for individual consumption, often customizable with a variety of toppings.

Median

The middle value in a data set when it is arranged in ascending or descending order.

Midpoint

The value that lies exactly in the middle of a data set when it is ordered, or the central point of a line segment.

Set of Scores

A collection of numerical values obtained from a specific assessment or measurement.