Exhibit 6-6

question 34

Multiple Choice

Exhibit 6-6.Let the lifetime of a new Jet Ski be represented by a lognormal variable, where X is normally distributed.Let the mean of the lifetime of the Jet Ski be six years with a standard deviation of three years. Refer to Exhibit 6-6.What proportion of the Jet Skis will last nine or more years?

• A)0.1379
• B)0.1587
• C)0.8413
• D)0.8621

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Definitions:

MIS Department

Management Information Systems Department, responsible for overseeing the technology infrastructure and systems that support business operations.

Infrastructure Planning

The process of strategizing and designing the basic facilities, services, and installations needed for the functioning of a community or organization, including roads, water, power, and communication systems.

Systems Development

The process of defining, designing, testing, and implementing a new software application or program.

Non-MIS Managers

Managers who are not specializing in Management Information Systems but still need to understand and use information technologies in their operational strategies.