Which of the Following Statements Is Not a Property of the Normal

Multiple Choice

Which of the following statements is not a property of the normal curve?

A) symmetric about $\mu$
B) $P ( \mu - 3 \sigma < x < \mu + 3 \sigma ) \approx .997$
C) $P ( \mu - \sigma < x < \mu + \sigma ) \approx .95$
D) mound-shaped (or bell shaped)