Question: Finding critical t values. What critical value t from Table D should be used to construct (a) a 95% confidence interval when n = 12?

Finding critical t∗ values. What critical value t∗ from Table D should be used to construct

(a) a 95% confidence interval when n = 12?

(b) a 99% confidence interval when n = 24?

(c) a 90% confidence interval when n = 200?

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