Which of the Following Is a Property of the Normal

Multiple Choice

Which of the following is a property of the normal probability distribution?

A) the form, or shape, of the normal curve is often illustrated as a bell-shaped curve
B) two parameters, the mean and standard deviation determine the location and shape of the distribution
C) the standard deviation determines the width of the curve; larger values result in wider, flatter curves
D) approximately 99.7% of the values will be within three standard deviations of the distribution mean
E) all of the above