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What does z equal for an a equals 0.01 and a lower level test?
Wiki User
∙ 11y ago
For a lower level test with significance level (alpha) 0.01, the z value is -2.33.
That is, P( z < -2.33) = 0.01. The area to the left of -2.33 is 0.01.
Wiki User
∙ 11y ago
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