Author Question: The probability density function, f(x), for any continuous random variable X, represents: a. all ... (Read 136 times)

KWilfred · **on:** Jun 24, 2018

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 2

Which of the following is always true for all probability density functions of continuous random variables?
a. The probability at any single point is zero.
b. They contain an uncountable number of possible values.
c. The total area under the density function f(x) equals 1.
d. All of these choices are true.