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# Use the following to answer the questions below:A sample of 148 college students at a large ...

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3 weeks ago
Use the following to answer the questions below:

A sample of 148 college students at a large university reports getting an average of 6.85 hours of sleep last night with a standard deviation of 2.12 hours.

Construct a 98% confidence interval for the average amount of sleep students at this university got last night. Use two decimal places in your margin of error.

▸ 6.44 to 7.26 hours

▸ 6.53 to 7.17 hours

▸ 6.49 to 7.21 hours

▸ 6.38 to 7.32 hours
Textbook

## Statistics: Unlocking the Power of Data

Edition: 3rd
Authors:
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Answer verified by a subject expert
apontea13apontea13
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 This helped my grade so much
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 Correct TY
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 Good timing, thanks!