Question: Find the appropriate percentile from a t-distribution for constructing the following confidence intervals: (a) 90% t-interval with n = 12 (b) 95% t-interval with n

Find the appropriate percentile from a t-distribution for constructing the following confidence intervals:
(a) 90% t-interval with n = 12
(b) 95% t-interval with n = 6
(c) 99% t-interval with n = 15

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