This is a preview. Log in through your library . Abstract A bivariate exponential distribution due to Gumbel and a bivariate Lomax distribution due to Lindley and Singpurwalla have been characterized ...

Let X and Y be two random variables such that X takes only two valoues 1 and 2. The notion of totla positivity of order two for the joint probability distribution of X and Y is discussed in this paper ...