A problem in this book asks for the most probable value of a random variable [itex]x[/itex]. As far as I know, if a random variable has "most probable value" then it isn't a random variable. The problem is attached. It is the second question in part b. Could the answer be that there is no most probable value? Or do I not understand exactly what a random variable is. If it's asking at what value of [itex]x[/itex] is [itex]p(x)[/itex] greatest, that would of course be at [itex]x = 0[/itex] but I don't think that is what the question is asking.