The area under a normal distribution curve should always be equal to
A) 1
B) 0
C) the standard deviation.
D) the arithmetic mean.

Name: The area under a normal distribution curve should always be equal to A) 1 B) 0 C) the standard deviation. D) the arithmetic mean.
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Question

Quizplus · Accepted Answer

The area under a normal distribution curve represents the probability of observing a certain event. The total area under the curve represents the total probability, which should always be equal to 1.

The Area Under a Normal Distribution Curve Should Always Be