Find the value of $z _ { \alpha / 2 }$ that corresponds to a confidence level of 89.48%.
A) 1.25
B) 1.62
C) 0.0526
D) −1.62

Name: Find the value of $z _ { \alpha / 2 }$ that corresponds to a confidence level of 89.48%. A) 1.25 B) 1.62 C) 0.0526 D) −1.62
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Quizplus · Accepted Answer

The confidence level of 89.48% corresponds to a significance level ($\alpha$) of 10.52% (100% - 89.48%). Thus, $\alpha/2 = 5.26%$. The z-value that corresponds to the upper tail of 5.26% is approximately 1.62.

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

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