The Manager of a Computer Help Desk Operation Has Collected

question 64

Multiple Choice

The manager of a computer help desk operation has collected enough data to conclude that the distribution of time per call is normally distributed with a mean equal to 8.21 minutes and a standard deviation of 2.14 minutes. Based on this, what is the probability that a call will last longer than 13 minutes?

• A) About 0.0125
• B) Approximately 0.4875
• C) About 0.5125
• D) About 0.9875

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Definitions:

Burger King

An international fast-food restaurant chain known for its flame-broiled burgers and fast service.

Independent

A term used in statistics to describe two or more events that have no influence on each other's likelihood of occurring.

Probability

The measure of the likelihood that an event will occur.

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