Exhibit 8-1 in Order to Estimate the Average Time Spent on the on the Computer

question 57

Multiple Choice

Exhibit 8-1
In order to estimate the average time spent on the computer terminals per student at a local university, data were collected for a sample of 81 business students over a one-week period. Assume the population standard deviation is 1.8 hours.
-Refer to Exhibit 8-1. With a 0.95 probability, the margin of error is approximately

• A)0.39
• B)1.96
• C)0.20
• D)1.64

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Definitions:

European American

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