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In order to estimate the average time spent per student on the computer terminals at a local ...

Skoochy

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In order to estimate the average time spent per student on the computer terminals at a local ...

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. If the sample mean is 9 hours, then the 95 confidence interval is
a. 7.04 to 10.96 hours.
b. 7.36 to 10.64 hours.
c. 7.80 to 10.20 hours.
d. 8.61 to 9.39 hours.

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Skoochy Author

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6 years ago

Thanks

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Just got PERFECT on my quiz

Transonic

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You make an excellent tutor!

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