which of the following statements describes exponential distribution? what are moment generating functions which function describes moment generating function moment definition in excel what is moment-generating function which random variable would have an exponential distribution for a given exponential function? how do you find exponential distribution how to get instant generating function which variable has the moment generating function moment generating function definition how do you determine when a random variable is exponentially distributed? how to determine moment density for random variable what is the moment generating function instant generating function moment generating function which function is used to describe moments what is the moment generating function of x how to find exponential distribution for moment how to find exponential distribution of a random variable what is the moment generating function for the exponential distribution for xy