Question: Determine the 2 percentile that is required to construct each of the following CIs: (a) Confidence level = 95%, degrees of freedom = 24, one-sided

Determine the 2 percentile that is required to construct each of the following CIs:
(a) Confidence level = 95%, degrees of freedom = 24, one-sided (upper)
(b) Confidence level = 99%, degrees of freedom = 9, one-sided (lower)
(c) Confidence level = 90%, degrees of freedom = 19, two-sided.

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