Online Time Usage Narrative

question 40

Essay

Online Time Usage Narrative
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.
-Refer to Online Time Usage Narrative. 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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Definitions:

Absorb Minerals

The process by which organisms take in minerals from their surrounding environment or diet for bodily functions.

Node

In plants, the place where one or more leaves attach to a stem.

Axillary Bud

Bud located in the axil of a leaf.

Bud Scale

A small protective covering over a bud that shields it from the elements and pathogens.