SOLUTION: Find the indicated critical z value.
Find the critical value zα/2 that corresponds to a 98% confidence level.
Algebra.Com
Question 1168752: Find the indicated critical z value.
Find the critical value zα/2 that corresponds to a 98% confidence level.
Answer by math_tutor2020(3817) (Show Source): You can put this solution on YOUR website!
You'll need a Z table or a calculator. Ideally you memorize stuff like this, but it's honestly better to have it on a notecard or reference sheet.
Whatever path you take, the z critical value is approximately z = 2.33
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