MathProbabilityContinuous random variables

Probability density function in details

Properties PDF

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What properties the probability density function of continuous random variable $Z$ denoted by $f_Z(z)$ must satisfy?

Select one or more options from the list

PDF values must be always be more than or equal to 0.

PDF values must be always be more than 0.

The total area under the PDF curve must be equal to 1.

The total area under the PDF curve can be equal to or more than 1.

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