Multiple Choice
In order to estimate the average time spent per student on the computer terminals 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.With a .95 probability, the margin of error is approximately
A) .39.
B) 1.96.
C) .20.
D) 1.64.
Correct Answer:

Verified
Correct Answer:
Verified
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