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Suppose n = 100. Which confidence interval for ( is unknown) uses a t distribution with more degrees of freedom: a 95% confidence interval or
Supposen= 100. Which confidence interval for ( is unknown) uses atdistribution with more degrees of freedom: a 95% confidence interval or a 99% confidence interval?
1. | both confidence intervals have the same degrees of freedom |
2. | the 95% confidence interval |
3. | the 99% confidence interval |
4. | can't tell |
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