why is $z$ considered a random variable which variable is the conditional pdf what is conditional pdf of $Z given what is conditional pdf what type of random variable are independent when is pdf of normal random variable given? when is pdf of normal variable given how do you find the conditional probability density function of the variable Z$? which of the following is a function of conditional probability density function which of the following variables is not an independent random variable? conditional pdf of x$ is the same as what is conditional probability density function how do i find out the conditional pdf value is x$ and y$ independent how to find conditional pdf are $x and $y independent random variables when x is a normal random variable what is the pdf of $x$ what's conditional pdf what is conditional probability density function