Question: for the 95% confidence interval (a) = a/2 X 0.975 - a/ 2 (a) Za/2 for the 95% confidence interval 0.975

(a) Za/2 for the 95% confidence interval 0.975

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for the 95% confidence interval (a) = a/2 X 0.975 - a/ 2

(a) Za/2 for the 95% confidence interval 0.975

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