What is the minimum probability of success on the merits of a federal due process claim?

On any federal due process claim, plaintiffs could establish the minimum probability of success on the merits only if they could show the deprivation of a protected property interest. Not all rights and privileges are entitled to federal due process protection. The Fourteenth Amendment "property" interests entitled to protection are created by state law rules and understandings. Board of Regents v. Roth, 408 U.S. 546, 577, 92 S.Ct. 2701, 2709, 33 L.Ed.2d 548 (1972). There must be a legitimate claim of entitlement to the benefit, not merely an abstract need or desire for it. Id.