how is the value of a function of a random variable derived from? how do you derive a random variable from the formula for the expected value of a function of one random variable is how is the formula for the expected value of a function of one variable derived? how is the formula for the expected value of a function of one random variable derived? how is the formula for the expected value of a function of one random variable derived how is the formula for the expected value of a function of a random variable derived? what is the function of a random variable which random variable should be a function of a continuous random variable? how to obtain the expected value of a function of one variable how does the formula for the expected value of a discrete variable of one random variable derived how is the formula for an expected variable derived? how does expected value of variables derived how to find the expected value of a function in a random variable how is the formula for expected value of a function of one random variable derived? how is this formula for the expected value of a function in one random variable derived? how is the expected value of a function of one random variable derived how to derive a function of one random variable how is the formula for expected value of a function of one random variable derived? how is the formula for the expected value of a function derived from a random variable.