The probability density function, f(x), for any continuous random variable X , represents:
A)all possible values that X will assume within some interval a £ x £ b .
B)the probability that X takes on a specific value x.
C)the height of the density function at x .
D)None of these choices.

Question

Quizplus · Accepted Answer

The probability density function (PDF) for a continuous random variable does not give the probability of a specific value but rather the height of the density curve at any point x, which can be used to find probabilities over intervals by integration.

The Probability Density Function, F(x), for Any Continuous Random Variable