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Questions and Answers
If the sample mean is 9 hours, what is the 95% confidence interval?
If the sample mean is 9 hours, what is the 95% confidence interval?
- 7.80 to 10.20 hours
- 7.04 to 11.96 hours (correct)
- 8.74 to 9.26 hours
- 7.36 to 10.64 hours
What is the 95% confidence interval for a sample mean of 9 hours?
What is the 95% confidence interval for a sample mean of 9 hours?
- 8.74 to 9.26 hours
- 8.36 to 10.64 hours
- 7.04 to 11.96 hours (correct)
- 6.80 to 10.20 hours
For a sample mean of 9 hours, which of the following represents the 95% confidence interval?
For a sample mean of 9 hours, which of the following represents the 95% confidence interval?
- 8.36 to 10.64 hours
- 8.74 to 9.26 hours
- 7.04 to 11.96 hours (correct)
- 7.80 to 10.20 hours
If the mean of a sample is 9 hours, what would be the 95% confidence interval?
If the mean of a sample is 9 hours, what would be the 95% confidence interval?
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