Find the critical value $z _ { \alpha / 2 }$ that corresponds to a 91% confidence level.
A) 1.75
B) 1.645
C) 1.34
D) 1.70

Name: Find the critical value $z _ { \alpha / 2 }$ that corresponds to a 91% confidence level. A) 1.75 B) 1.645 C) 1.34 D) 1.70
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Quizplus · Accepted Answer

For a 91% confidence level, the critical value $z _ { \alpha / 2 }$ is approximately 1.70, as it corresponds to the middle 91% of the standard normal distribution, leaving 4.5% in each tail.

Find the Critical Value zα/2z _ { \alpha / 2 }zα/2​

Find the Critical Value $z _ { \alpha / 2 }$