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which of the following is true about the probability density function of a continuous random variable?

which of the following is true about the probability density function of a continuous random variable?

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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which of the following is true about the probability density function of a continuous random variable? A. it can never be higher than 1, because probabilities are never higher than 1 B. cdf(y)-cdf(x) represents the probability the random variables is less than y but greater than or equal to x. You may assume y>x and cdf stands for the cumulative density function C.You have to be careful to note the '=' part of inequalities when working out probabilities any D. The area underneath it must be positive and strictly less than 1
Transcribed Image Text:which of the following is true about the probability density function of a continuous random variable? A. it can never be higher than 1, because probabilities are never higher than 1 B. cdf(y)-cdf(x) represents the probability the random variables is less than y but greater than or equal to x. You may assume y>x and cdf stands for the cumulative density function C.You have to be careful to note the '=' part of inequalities when working out probabilities any D. The area underneath it must be positive and strictly less than 1
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