Critical Z-Value 0.005

Critical Z-Value 0.005

Given α = 0.005, calculate the right-tailed and left-tailed critical value for Z

Calculate right-tailed value:

Since α = 0.005, the area under the curve is 1 - α → 1 - 0.005 = 0.995

Our critical z value is

Excel or Google Sheets formula:

=NORMSINV(0.995)
Robert Thorne
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Robert Thorne

Robert Thorne covers electric vehicle innovations, autonomous driving systems, global mobility trends, and automotive engineering developments.