H13-321_V2.5 Exam Dumps | Which of the following statements about the standard normal distribution are true?

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Question 18/27

Which of the following statements about the standard normal distribution are true?

A. The variance is 0.

B. The mean is 1.

C. The variance is 1.

D. The mean is 0.

Correct Answer: C,D

Astandard normal distributionis a special case of the normal distribution with:
* Mean (#) = 0
* Variance (#²) = 1This standardization is widely used in statistics and machine learning to normalize features for improved model convergence. Statements A and B are incorrect because variance is never 0 in a valid distribution, and the mean is 0, not 1.
Exact Extract from HCIP-AI EI Developer V2.5:
"The standard normal distribution is defined with # = 0 and #² = 1, providing a normalized scale for statistical analysis." Reference:HCIP-AI EI Developer V2.5 Official Study Guide - Chapter: Probability and Statistics Fundamentals

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