Question
Find $z_{\alpha / 2}$ for each of the following:a. $\alpha=.10$b. $\alpha=.01$c. $\alpha=.05$d. $\alpha=.20$
Step 1
In other words, the area between $-z_{\alpha/2}$ and $z_{\alpha/2}$ is $1-\alpha$. Show more…
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