It Has Been Reported That the Average Time to Download

question 5

Multiple Choice

It has been reported that the average time to download the home page from a government website was .9 seconds. Suppose that the download times were normally distributed with a standard deviation of .3 seconds. If random samples of 36 download times are selected, 80 percent of the sample means will be between what two values symmetrically distributed around the population mean?

• A) [.648, 1.152]
• B) [.836, .964]
• C) [.514, 1.280]
• D) [.858, .942]

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Definitions:

DSM-IV-TR

The Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition, Text Revision; a manual published by the American Psychiatric Association detailing criteria for diagnosing mental disorders.

Axis I

A classification used in the DSM-IV (Diagnostic and Statistical Manual of Mental Disorders, 4th Edition) referring to clinical disorders, including mood, anxiety, and dissociative disorders.

Clinical Disorders

Health conditions characterized by alterations in thinking, mood, or behavior associated with distress and/or impaired functioning.

Personal Distress

A psychological phenomenon where individuals experience emotional turmoil and discomfort from perceiving another's plight.