The Illustrated Guide to the NEC Should Be Used

question 2

Multiple Choice

The Illustrated Guide to the NEC should be used as a(n) ____.

• A) supplement to the NEC
• B) index for the NEC
• C) graphical substitution for the NEC
• D) replacement for difficult sections of the NEC

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Definitions:

Probability

Probability is the branch of mathematics that deals with the likelihood of a given event's occurrence, ranging between 0 (impossible event) and 1 (certain event).

Standard Deviation

A measure of the amount of variation or dispersion of a set of values, indicating the spread of data points.

Sampling Distribution

The distribution of probabilities for a certain statistic, originating from a random sample.

Normal Distribution

In this type of distribution, occurrences of data are more frequent near the mean and decrease in frequency as they move away from the mean, with the distribution being symmetric.