For a continuous random variable x, the probability density function f(x) represents the
A) probability at a given value of x.
B) area under the curve at x.
C) area under the curve to the right of x.
D) height of the function at x.

Question

Quizplus · Accepted Answer

The probability density function f(x) represents the height of the function at x. The area under the curve can give us the cumulative probability up to a certain point, but the density function itself gives us the relative likelihood of different values of x.

For a Continuous Random Variable X, the Probability Density Function