Answer to Question #117893 in Statistics and Probability for Rina

Question

The total area under a probability density polygon equals 1.

True
False

Answer 1

The probability density shows how the random variable is distributed.

The area under a polygon or curve in the interval from a to b shows with what probability a random variable can fall into a given interval

Accordingly, the total area shows shows that the probability is 100% or 1

Answer: true