Which of the Following Is NOT True of the Normal

Multiple Choice

Which of the following is NOT true of the normal probability distribution?

A) the graph of the curve is the shape of a bell curve
B) the total area under the curve is always equal to 1.
C) approximately 99.7% of the time the random variable assumes a value within plus or minus one standard deviation of its mean
D) the mean is equal to the median, which is also equal to the mode.
E) none of the above; all are characteristics