The critical (Z) value at the 99 per cent confidence level equals:
A) 0.01.
B) 1.65.
C) 1.96.
D) 2.57.

Name: The critical (Z) value at the 99 per cent confidence level equals: A) 0.01. B) 1.65. C) 1.96. D) 2.57.
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Quizplus · Accepted Answer

At the 99% confidence level, the critical Z value is approximately 2.57. This value corresponds to the Z-score that captures the central 99% of the distribution, leaving 0.5% in each tail of the standard normal distribution.

The Critical (Z) Value at the 99 Per Cent Confidence