The Manager of a Computer Help Desk Operation Has Collected

question 6

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. What is the probability that three randomly monitored calls will each be completed in 4 minutes or less?

• A) 0.4756
• B) Approximately 0.1076
• C) About 0.00001
• D) Can't be determined without more information.

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Definitions:

Output Increases

A situation where the production capacity of an economy grows, leading to more goods and services being available.

Productivity Rises

An increase in the efficiency of production, often leading to more output with the same or fewer inputs.

Relative Prices

The price of a commodity or service in comparison to another, indicating its opportunity cost and economic choice.

Substitutable Resources

Resources that can replace each other in production or consumption, leading to flexibility and alternatives for consumers and producers.