Find each. a. za_2 for the 99% confidence interval 2.58 b.

Chapter 7, Problem 9

(choose chapter or problem)

Find each. a. za_2 for the 99% confidence interval 2.58 b. za_2 for the 98% confidence interval 2.33 c. za_2 for the 95% confidence interval 1.96 d. za_2 for the 90% confidence interval 1.65 e. za_2 for the 94% confidence interval 1.88

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