anfnelson77731 anfnelson77731

15-03-2024
Mathematics

contestada

Find the critical value πt_(α2)π needed to construct a confidence interval of the given level with the given sample size. Round the answer to at least three decimal places. Level 90%, sample...
a. size 30, πt_0.05 = 1.645π
b. size 40, πt_0.05 = 1.645π
c. size 30, πt_0.05 = 1.960π
d. size 40, πt_0.05 = 1.960π

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