Question: Question 3 of 25 1.0 Points Solve the problem Which of the following is true about probability density functions? A. The total area under the

Question 3 of 25

 1.0 Points

Solve the problem Which of the following is true about probability density functions?

A. The total area under the density function below the x-axis is 2.0.
B. P (a) x P (b) is the area under the density function between two numbers a and b.
C. It calculates the probability of a random variable lying within a certain interval.
D. A graph of the density function must lie at or below the x-axis.

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