The Density Curve for a Continuous Random Variable X Has

Multiple Choice

The density curve for a continuous random variable X has which of the following properties?

A) The probability of any event is the area under the density curve and above the values of X that make up the event.
B) The total area under the density curve for X must be exactly 1.
C) The probability of any event of the form X = constant is 0.
D) All of the answer options are correct.