Question: Find the value of tn1,/2 needed to construct a two sided confidence interval of the given level with the given sample size: a. Level 90%,

Find the value of tn−1,α/2 needed to construct a two sided confidence interval of the given level with the given sample size:
a. Level 90%, sample size 12.
b. Level 95%, sample size 7.
c. Level 99%, sample size 2.
d. Level 95%, sample size 29.

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