Find $\mathrm { z } _ { \alpha / 2 }$ for the given value of $\alpha$.
$$\alpha = 0.01$$
A) $2.05$
B) $2.575$
C) $0.19$
D) $2.33$

Name: Find $\mathrm { z } _ { \alpha / 2 }$ for the given value of $\alpha$. \[\alpha = 0.01\] A) $2.05$ B) $2.575$ C) $0.19$ D) $2.33$
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Question

Quizplus · Accepted Answer

For $\alpha = 0.01$, the area in each tail of the normal distribution is $0.005$. Looking up this area in the standard normal distribution table or using a calculator, we find $\mathrm { z } _ { \alpha / 2 } = 2.575$.

Find zα/2\mathrm { z } _ { \alpha / 2 }zα/2​

Find $\mathrm { z } _ { \alpha / 2 }$