An Internet Server Conducted a Survey of 400 of Its

question 65

Essay

An Internet server conducted a survey of 400 of its customers and found that the average amount of time spent online was 12.5 hours per week with a standard deviation of 5.4 hours.
What shape do you think the random variable x, the number of hours spent online, has?
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If the distribution of the original measurements is not normal, you can still use the standard normal distribution to construct a confidence interval for , the average online time for all users of this Internet server. Why?
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Construct a 95% confidence interval for the average online time for all users of the particular Internet server.
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If the Internet server claimed that its users averaged 15 hours of use per week, would you agree or disagree?
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Explain.
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Definitions:

Physiological

Relating to the branch of biology that deals with the normal functions of living organisms and their parts.

Esteem

The regard in which an individual or entity is held by others, often reflecting respect, admiration, or importance.

Cognitive Component

Part of an attitude that consists of a person's knowledge and perception of the attributes of an object or concept.

Altering

The process of making changes to something, often to tailor or modify it to fit a particular need or requirement.