Solve the Problem $\mathrm { z } _ { \alpha / 2 }$

question 14

Multiple Choice

Solve the problem.
-Find the critical value $\mathrm { z } _ { \alpha / 2 }$ that corresponds to a degree of confidence of 91%.

• A)1.70
• B)1.75
• C)1.34
• D)1.645

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