Which of the Following Characteristics Is True for a Normal

question 92

Multiple Choice

Which of the following characteristics is true for a normal probability distribution?

• A)The area under the curve is 1.
• B)It is symmetrical.
• C)The midpoint is also the mean.
• D)Sixty-eight percent of the area under the curve lies within ± one standard deviation of the mean.
• E)All of the above are true.

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