Mathematics, 11.04.2020 04:06 moneytt2403
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 .
Answers: 3
= 1.8 hours
= 1 -.95 =.05
= 
= 1.96 Â Â Â Â Â (Using Z table)
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